Home / 136,705,265.28-188,655,038.01-74,824,275.24

Finding the Fourth Proportional to 136,705,265.28, 188,655,038.01 and 74,824,275.24

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Solution

The fourth proportional to 136,705,265.28, 188,655,038.01 and 74,824,275.24 is: 103,258,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,705,265.28 : 188,655,038.01 = 74,824,275.24 : x
  2. Step 2: Convert to fraction form
    136,705,265.28/188,655,038.01 = 74,824,275.24/x
  3. Step 3: Cross multiply
    136,705,265.28x = 188,655,038.01 × 74,824,275.24
  4. Step 4: Simplify right side
    136,705,265.28x = 14,115,976,489,472,900
  5. Step 5: Solve for x
    x = 14,115,976,489,472,900/136,705,265.28
  6. Step 6: Final answer
    x = 103,258,469.68

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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.