Home / 103,297,986.04-142,549,498.22-56,892,557.92

Finding the Fourth Proportional to 103,297,986.04, 142,549,498.22 and 56,892,557.92

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Solution

The fourth proportional to 103,297,986.04, 142,549,498.22 and 56,892,557.92 is: 78,510,781.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,297,986.04 : 142,549,498.22 = 56,892,557.92 : x
  2. Step 2: Convert to fraction form
    103,297,986.04/142,549,498.22 = 56,892,557.92/x
  3. Step 3: Cross multiply
    103,297,986.04x = 142,549,498.22 × 56,892,557.92
  4. Step 4: Simplify right side
    103,297,986.04x = 8,110,005,583,948,287
  5. Step 5: Solve for x
    x = 8,110,005,583,948,287/103,297,986.04
  6. Step 6: Final answer
    x = 78,510,781.23

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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.