Home / 141,555,943.72-212,345,966.68-43,209,740.20

Finding the Fourth Proportional to 141,555,943.72, 212,345,966.68 and 43,209,740.20

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Solution

The fourth proportional to 141,555,943.72, 212,345,966.68 and 43,209,740.20 is: 64,818,288.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,555,943.72 : 212,345,966.68 = 43,209,740.20 : x
  2. Step 2: Convert to fraction form
    141,555,943.72/212,345,966.68 = 43,209,740.20/x
  3. Step 3: Cross multiply
    141,555,943.72x = 212,345,966.68 × 43,209,740.20
  4. Step 4: Simplify right side
    141,555,943.72x = 9,175,414,052,760,658
  5. Step 5: Solve for x
    x = 9,175,414,052,760,658/141,555,943.72
  6. Step 6: Final answer
    x = 64,818,288.88

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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.