Home / 187,821,801.40-281,732,702.10-51,506,966.20

Finding the Fourth Proportional to 187,821,801.40, 281,732,702.10 and 51,506,966.20

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Solution

The fourth proportional to 187,821,801.40, 281,732,702.10 and 51,506,966.20 is: 77,260,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,821,801.40 : 281,732,702.10 = 51,506,966.20 : x
  2. Step 2: Convert to fraction form
    187,821,801.40/281,732,702.10 = 51,506,966.20/x
  3. Step 3: Cross multiply
    187,821,801.40x = 281,732,702.10 × 51,506,966.20
  4. Step 4: Simplify right side
    187,821,801.40x = 14,511,196,764,499,372
  5. Step 5: Solve for x
    x = 14,511,196,764,499,372/187,821,801.40
  6. Step 6: Final answer
    x = 77,260,449.30

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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.