Home / 543,834,200.90-815,751,301.35-134,890,351.40

Finding the Fourth Proportional to 543,834,200.90, 815,751,301.35 and 134,890,351.40

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Solution

The fourth proportional to 543,834,200.90, 815,751,301.35 and 134,890,351.40 is: 202,335,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,834,200.90 : 815,751,301.35 = 134,890,351.40 : x
  2. Step 2: Convert to fraction form
    543,834,200.90/815,751,301.35 = 134,890,351.40/x
  3. Step 3: Cross multiply
    543,834,200.90x = 815,751,301.35 × 134,890,351.40
  4. Step 4: Simplify right side
    543,834,200.90x = 110,036,979,694,108,800
  5. Step 5: Solve for x
    x = 110,036,979,694,108,800/543,834,200.90
  6. Step 6: Final answer
    x = 202,335,527.10

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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.