Home / 543,834,203.90-815,751,305.85-134,890,354.40

Finding the Fourth Proportional to 543,834,203.90, 815,751,305.85 and 134,890,354.40

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Solution

The fourth proportional to 543,834,203.90, 815,751,305.85 and 134,890,354.40 is: 202,335,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,834,203.90 : 815,751,305.85 = 134,890,354.40 : x
  2. Step 2: Convert to fraction form
    543,834,203.90/815,751,305.85 = 134,890,354.40/x
  3. Step 3: Cross multiply
    543,834,203.90x = 815,751,305.85 × 134,890,354.40
  4. Step 4: Simplify right side
    543,834,203.90x = 110,036,982,748,369,296
  5. Step 5: Solve for x
    x = 110,036,982,748,369,296/543,834,203.90
  6. Step 6: Final answer
    x = 202,335,531.60

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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.