Home / 144,837,862.20-217,181,997.90-42,588,613.80

Finding the Fourth Proportional to 144,837,862.20, 217,181,997.90 and 42,588,613.80

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Solution

The fourth proportional to 144,837,862.20, 217,181,997.90 and 42,588,613.80 is: 63,860,927.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,837,862.20 : 217,181,997.90 = 42,588,613.80 : x
  2. Step 2: Convert to fraction form
    144,837,862.20/217,181,997.90 = 42,588,613.80/x
  3. Step 3: Cross multiply
    144,837,862.20x = 217,181,997.90 × 42,588,613.80
  4. Step 4: Simplify right side
    144,837,862.20x = 9,249,480,232,875,510
  5. Step 5: Solve for x
    x = 9,249,480,232,875,510/144,837,862.20
  6. Step 6: Final answer
    x = 63,860,927.61

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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.