Home / 176,382,390.71-243,421,333.58-105,820,656.39

Finding the Fourth Proportional to 176,382,390.71, 243,421,333.58 and 105,820,656.39

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Solution

The fourth proportional to 176,382,390.71, 243,421,333.58 and 105,820,656.39 is: 146,040,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,382,390.71 : 243,421,333.58 = 105,820,656.39 : x
  2. Step 2: Convert to fraction form
    176,382,390.71/243,421,333.58 = 105,820,656.39/x
  3. Step 3: Cross multiply
    176,382,390.71x = 243,421,333.58 × 105,820,656.39
  4. Step 4: Simplify right side
    176,382,390.71x = 25,759,005,299,029,300
  5. Step 5: Solve for x
    x = 25,759,005,299,029,300/176,382,390.71
  6. Step 6: Final answer
    x = 146,040,685.78

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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.