Home / 210,282,001.20-315,423,001.80-89,097,706.80

Finding the Fourth Proportional to 210,282,001.20, 315,423,001.80 and 89,097,706.80

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Solution

The fourth proportional to 210,282,001.20, 315,423,001.80 and 89,097,706.80 is: 133,646,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,282,001.20 : 315,423,001.80 = 89,097,706.80 : x
  2. Step 2: Convert to fraction form
    210,282,001.20/315,423,001.80 = 89,097,706.80/x
  3. Step 3: Cross multiply
    210,282,001.20x = 315,423,001.80 × 89,097,706.80
  4. Step 4: Simplify right side
    210,282,001.20x = 28,103,466,132,352,272
  5. Step 5: Solve for x
    x = 28,103,466,132,352,272/210,282,001.20
  6. Step 6: Final answer
    x = 133,646,560.20

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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.