Home / 141,921,034.20-212,881,551.30-38,290,039.20

Finding the Fourth Proportional to 141,921,034.20, 212,881,551.30 and 38,290,039.20

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Solution

The fourth proportional to 141,921,034.20, 212,881,551.30 and 38,290,039.20 is: 57,435,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,921,034.20 : 212,881,551.30 = 38,290,039.20 : x
  2. Step 2: Convert to fraction form
    141,921,034.20/212,881,551.30 = 38,290,039.20/x
  3. Step 3: Cross multiply
    141,921,034.20x = 212,881,551.30 × 38,290,039.20
  4. Step 4: Simplify right side
    141,921,034.20x = 8,151,242,944,233,812
  5. Step 5: Solve for x
    x = 8,151,242,944,233,812/141,921,034.20
  6. Step 6: Final answer
    x = 57,435,058.80

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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.