Home / 187,821,000.90-281,731,501.35-51,506,165.70

Finding the Fourth Proportional to 187,821,000.90, 281,731,501.35 and 51,506,165.70

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Solution

The fourth proportional to 187,821,000.90, 281,731,501.35 and 51,506,165.70 is: 77,259,248.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,821,000.90 : 281,731,501.35 = 51,506,165.70 : x
  2. Step 2: Convert to fraction form
    187,821,000.90/281,731,501.35 = 51,506,165.70/x
  3. Step 3: Cross multiply
    187,821,000.90x = 281,731,501.35 × 51,506,165.70
  4. Step 4: Simplify right side
    187,821,000.90x = 14,510,909,391,442,876
  5. Step 5: Solve for x
    x = 14,510,909,391,442,876/187,821,000.90
  6. Step 6: Final answer
    x = 77,259,248.55

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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.