Home / 87,008,477.60-130,363,417.20-41,472,221.60

Finding the Fourth Proportional to 87,008,477.60, 130,363,417.20 and 41,472,221.60

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Solution

The fourth proportional to 87,008,477.60, 130,363,417.20 and 41,472,221.60 is: 62,137,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,008,477.60 : 130,363,417.20 = 41,472,221.60 : x
  2. Step 2: Convert to fraction form
    87,008,477.60/130,363,417.20 = 41,472,221.60/x
  3. Step 3: Cross multiply
    87,008,477.60x = 130,363,417.20 × 41,472,221.60
  4. Step 4: Simplify right side
    87,008,477.60x = 5,406,460,526,651,652
  5. Step 5: Solve for x
    x = 5,406,460,526,651,652/87,008,477.60
  6. Step 6: Final answer
    x = 62,137,169.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.