Home / 87,008,537.19-120,069,384.62-47,850,309.71

Finding the Fourth Proportional to 87,008,537.19, 120,069,384.62 and 47,850,309.71

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Solution

The fourth proportional to 87,008,537.19, 120,069,384.62 and 47,850,309.71 is: 66,032,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,008,537.19 : 120,069,384.62 = 47,850,309.71 : x
  2. Step 2: Convert to fraction form
    87,008,537.19/120,069,384.62 = 47,850,309.71/x
  3. Step 3: Cross multiply
    87,008,537.19x = 120,069,384.62 × 47,850,309.71
  4. Step 4: Simplify right side
    87,008,537.19x = 5,745,357,240,275,389
  5. Step 5: Solve for x
    x = 5,745,357,240,275,389/87,008,537.19
  6. Step 6: Final answer
    x = 66,032,109.33

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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.