Home / 79,248,001.85-118,872,002.78-51,506,781.65

Finding the Fourth Proportional to 79,248,001.85, 118,872,002.78 and 51,506,781.65

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Solution

The fourth proportional to 79,248,001.85, 118,872,002.78 and 51,506,781.65 is: 77,260,172.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,248,001.85 : 118,872,002.78 = 51,506,781.65 : x
  2. Step 2: Convert to fraction form
    79,248,001.85/118,872,002.78 = 51,506,781.65/x
  3. Step 3: Cross multiply
    79,248,001.85x = 118,872,002.78 × 51,506,781.65
  4. Step 4: Simplify right side
    79,248,001.85x = 6,122,714,291,230,119
  5. Step 5: Solve for x
    x = 6,122,714,291,230,119/79,248,001.85
  6. Step 6: Final answer
    x = 77,260,172.48

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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.