Home / 78,699,521.13-118,014,997.17-41,803,336.91

Finding the Fourth Proportional to 78,699,521.13, 118,014,997.17 and 41,803,336.91

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Solution

The fourth proportional to 78,699,521.13, 118,014,997.17 and 41,803,336.91 is: 62,686,794.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,699,521.13 : 118,014,997.17 = 41,803,336.91 : x
  2. Step 2: Convert to fraction form
    78,699,521.13/118,014,997.17 = 41,803,336.91/x
  3. Step 3: Cross multiply
    78,699,521.13x = 118,014,997.17 × 41,803,336.91
  4. Step 4: Simplify right side
    78,699,521.13x = 4,933,420,687,130,206
  5. Step 5: Solve for x
    x = 4,933,420,687,130,206/78,699,521.13
  6. Step 6: Final answer
    x = 62,686,794.23

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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.