Home / 187,821,410.40-281,732,115.60-51,506,575.20

Finding the Fourth Proportional to 187,821,410.40, 281,732,115.60 and 51,506,575.20

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Solution

The fourth proportional to 187,821,410.40, 281,732,115.60 and 51,506,575.20 is: 77,259,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,821,410.40 : 281,732,115.60 = 51,506,575.20 : x
  2. Step 2: Convert to fraction form
    187,821,410.40/281,732,115.60 = 51,506,575.20/x
  3. Step 3: Cross multiply
    187,821,410.40x = 281,732,115.60 × 51,506,575.20
  4. Step 4: Simplify right side
    187,821,410.40x = 14,511,056,398,406,496
  5. Step 5: Solve for x
    x = 14,511,056,398,406,496/187,821,410.40
  6. Step 6: Final answer
    x = 77,259,862.80

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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.