Home / 130,910,574.72-180,616,553.28-75,895,449.60

Finding the Fourth Proportional to 130,910,574.72, 180,616,553.28 and 75,895,449.60

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Solution

The fourth proportional to 130,910,574.72, 180,616,553.28 and 75,895,449.60 is: 104,712,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,910,574.72 : 180,616,553.28 = 75,895,449.60 : x
  2. Step 2: Convert to fraction form
    130,910,574.72/180,616,553.28 = 75,895,449.60/x
  3. Step 3: Cross multiply
    130,910,574.72x = 180,616,553.28 × 75,895,449.60
  4. Step 4: Simplify right side
    130,910,574.72x = 13,707,974,516,387,954
  5. Step 5: Solve for x
    x = 13,707,974,516,387,954/130,910,574.72
  6. Step 6: Final answer
    x = 104,712,507.34

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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.