Home / 127,685,263,801.16-176,176,438,829.56-76,233,828,186.76

Finding the Fourth Proportional to 127,685,263,801.16, 176,176,438,829.56 and 76,233,828,186.76

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Solution

The fourth proportional to 127,685,263,801.16, 176,176,438,829.56 and 76,233,828,186.76 is: 105,185,234,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,685,263,801.16 : 176,176,438,829.56 = 76,233,828,186.76 : x
  2. Step 2: Convert to fraction form
    127,685,263,801.16/176,176,438,829.56 = 76,233,828,186.76/x
  3. Step 3: Cross multiply
    127,685,263,801.16x = 176,176,438,829.56 × 76,233,828,186.76
  4. Step 4: Simplify right side
    127,685,263,801.16x = 13,430,604,368,287,908,233,216
  5. Step 5: Solve for x
    x = 13,430,604,368,287,908,233,216/127,685,263,801.16
  6. Step 6: Final answer
    x = 105,185,234,133.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.