Home / 115,753,210.25-159,735,297.31-65,516,350.91

Finding the Fourth Proportional to 115,753,210.25, 159,735,297.31 and 65,516,350.91

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Solution

The fourth proportional to 115,753,210.25, 159,735,297.31 and 65,516,350.91 is: 90,410,225.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,753,210.25 : 159,735,297.31 = 65,516,350.91 : x
  2. Step 2: Convert to fraction form
    115,753,210.25/159,735,297.31 = 65,516,350.91/x
  3. Step 3: Cross multiply
    115,753,210.25x = 159,735,297.31 × 65,516,350.91
  4. Step 4: Simplify right side
    115,753,210.25x = 10,465,273,790,312,672
  5. Step 5: Solve for x
    x = 10,465,273,790,312,672/115,753,210.25
  6. Step 6: Final answer
    x = 90,410,225.07

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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.