Home / 187,536,187.20-281,354,047.20-66,355,003.20

Finding the Fourth Proportional to 187,536,187.20, 281,354,047.20 and 66,355,003.20

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Solution

The fourth proportional to 187,536,187.20, 281,354,047.20 and 66,355,003.20 is: 99,550,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,536,187.20 : 281,354,047.20 = 66,355,003.20 : x
  2. Step 2: Convert to fraction form
    187,536,187.20/281,354,047.20 = 66,355,003.20/x
  3. Step 3: Cross multiply
    187,536,187.20x = 281,354,047.20 × 66,355,003.20
  4. Step 4: Simplify right side
    187,536,187.20x = 18,669,248,702,288,952
  5. Step 5: Solve for x
    x = 18,669,248,702,288,952/187,536,187.20
  6. Step 6: Final answer
    x = 99,550,113.40

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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.