Home / 103,271,691.86-142,518,432.50-56,230,589.72

Finding the Fourth Proportional to 103,271,691.86, 142,518,432.50 and 56,230,589.72

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Solution

The fourth proportional to 103,271,691.86, 142,518,432.50 and 56,230,589.72 is: 77,600,118.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,271,691.86 : 142,518,432.50 = 56,230,589.72 : x
  2. Step 2: Convert to fraction form
    103,271,691.86/142,518,432.50 = 56,230,589.72/x
  3. Step 3: Cross multiply
    103,271,691.86x = 142,518,432.50 × 56,230,589.72
  4. Step 4: Simplify right side
    103,271,691.86x = 8,013,895,504,451,270
  5. Step 5: Solve for x
    x = 8,013,895,504,451,270/103,271,691.86
  6. Step 6: Final answer
    x = 77,600,118.29

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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.