Home / 145,156,839.30-217,231,374.15-133,063,604.10

Finding the Fourth Proportional to 145,156,839.30, 217,231,374.15 and 133,063,604.10

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Solution

The fourth proportional to 145,156,839.30, 217,231,374.15 and 133,063,604.10 is: 199,133,500.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,839.30 : 217,231,374.15 = 133,063,604.10 : x
  2. Step 2: Convert to fraction form
    145,156,839.30/217,231,374.15 = 133,063,604.10/x
  3. Step 3: Cross multiply
    145,156,839.30x = 217,231,374.15 × 133,063,604.10
  4. Step 4: Simplify right side
    145,156,839.30x = 28,905,589,567,994,572
  5. Step 5: Solve for x
    x = 28,905,589,567,994,572/145,156,839.30
  6. Step 6: Final answer
    x = 199,133,500.75

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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.