Home / 133,065,308.10-199,597,962.15-87,148,805.70

Finding the Fourth Proportional to 133,065,308.10, 199,597,962.15 and 87,148,805.70

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Solution

The fourth proportional to 133,065,308.10, 199,597,962.15 and 87,148,805.70 is: 130,723,208.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,065,308.10 : 199,597,962.15 = 87,148,805.70 : x
  2. Step 2: Convert to fraction form
    133,065,308.10/199,597,962.15 = 87,148,805.70/x
  3. Step 3: Cross multiply
    133,065,308.10x = 199,597,962.15 × 87,148,805.70
  4. Step 4: Simplify right side
    133,065,308.10x = 17,394,724,021,526,306
  5. Step 5: Solve for x
    x = 17,394,724,021,526,306/133,065,308.10
  6. Step 6: Final answer
    x = 130,723,208.55

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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.