Home / 91,786,221.01-137,679,331.52-30,358,874.91

Finding the Fourth Proportional to 91,786,221.01, 137,679,331.52 and 30,358,874.91

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Solution

The fourth proportional to 91,786,221.01, 137,679,331.52 and 30,358,874.91 is: 45,538,312.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,786,221.01 : 137,679,331.52 = 30,358,874.91 : x
  2. Step 2: Convert to fraction form
    91,786,221.01/137,679,331.52 = 30,358,874.91/x
  3. Step 3: Cross multiply
    91,786,221.01x = 137,679,331.52 × 30,358,874.91
  4. Step 4: Simplify right side
    91,786,221.01x = 4,179,789,603,308,100.50
  5. Step 5: Solve for x
    x = 4,179,789,603,308,100.50/91,786,221.01
  6. Step 6: Final answer
    x = 45,538,312.37

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1.5x scale

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.