Home / 141,777,501.30-212,241,099.15-84,240,155.70

Finding the Fourth Proportional to 141,777,501.30, 212,241,099.15 and 84,240,155.70

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Solution

The fourth proportional to 141,777,501.30, 212,241,099.15 and 84,240,155.70 is: 126,107,619.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,777,501.30 : 212,241,099.15 = 84,240,155.70 : x
  2. Step 2: Convert to fraction form
    141,777,501.30/212,241,099.15 = 84,240,155.70/x
  3. Step 3: Cross multiply
    141,777,501.30x = 212,241,099.15 × 84,240,155.70
  4. Step 4: Simplify right side
    141,777,501.30x = 17,879,223,238,335,138
  5. Step 5: Solve for x
    x = 17,879,223,238,335,138/141,777,501.30
  6. Step 6: Final answer
    x = 126,107,619.86

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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.