Home / 127,776,148.69-176,331,085.53-69,038,813.81

Finding the Fourth Proportional to 127,776,148.69, 176,331,085.53 and 69,038,813.81

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Solution

The fourth proportional to 127,776,148.69, 176,331,085.53 and 69,038,813.81 is: 95,273,563.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,776,148.69 : 176,331,085.53 = 69,038,813.81 : x
  2. Step 2: Convert to fraction form
    127,776,148.69/176,331,085.53 = 69,038,813.81/x
  3. Step 3: Cross multiply
    127,776,148.69x = 176,331,085.53 × 69,038,813.81
  4. Step 4: Simplify right side
    127,776,148.69x = 12,173,688,982,760,206
  5. Step 5: Solve for x
    x = 12,173,688,982,760,206/127,776,148.69
  6. Step 6: Final answer
    x = 95,273,563.24

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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.