Home / 187,812,001.60-281,718,002.40-51,511,163.20

Finding the Fourth Proportional to 187,812,001.60, 281,718,002.40 and 51,511,163.20

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Solution

The fourth proportional to 187,812,001.60, 281,718,002.40 and 51,511,163.20 is: 77,266,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,812,001.60 : 281,718,002.40 = 51,511,163.20 : x
  2. Step 2: Convert to fraction form
    187,812,001.60/281,718,002.40 = 51,511,163.20/x
  3. Step 3: Cross multiply
    187,812,001.60x = 281,718,002.40 × 51,511,163.20
  4. Step 4: Simplify right side
    187,812,001.60x = 14,511,621,998,004,392
  5. Step 5: Solve for x
    x = 14,511,621,998,004,392/187,812,001.60
  6. Step 6: Final answer
    x = 77,266,744.80

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1.5x scale

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.