Home / 79,248,002.10-118,872,003.15-51,506,781.90

Finding the Fourth Proportional to 79,248,002.10, 118,872,003.15 and 51,506,781.90

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Solution

The fourth proportional to 79,248,002.10, 118,872,003.15 and 51,506,781.90 is: 77,260,172.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,248,002.10 : 118,872,003.15 = 51,506,781.90 : x
  2. Step 2: Convert to fraction form
    79,248,002.10/118,872,003.15 = 51,506,781.90/x
  3. Step 3: Cross multiply
    79,248,002.10x = 118,872,003.15 × 51,506,781.90
  4. Step 4: Simplify right side
    79,248,002.10x = 6,122,714,340,263,163
  5. Step 5: Solve for x
    x = 6,122,714,340,263,163/79,248,002.10
  6. Step 6: Final answer
    x = 77,260,172.85

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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.