Home / 543,834,205.40-815,751,308.10-134,890,355.90

Finding the Fourth Proportional to 543,834,205.40, 815,751,308.10 and 134,890,355.90

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Solution

The fourth proportional to 543,834,205.40, 815,751,308.10 and 134,890,355.90 is: 202,335,533.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,834,205.40 : 815,751,308.10 = 134,890,355.90 : x
  2. Step 2: Convert to fraction form
    543,834,205.40/815,751,308.10 = 134,890,355.90/x
  3. Step 3: Cross multiply
    543,834,205.40x = 815,751,308.10 × 134,890,355.90
  4. Step 4: Simplify right side
    543,834,205.40x = 110,036,984,275,499,568
  5. Step 5: Solve for x
    x = 110,036,984,275,499,568/543,834,205.40
  6. Step 6: Final answer
    x = 202,335,533.85

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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.