Home / 142,337,658.30-213,081,334.65-84,800,312.70

Finding the Fourth Proportional to 142,337,658.30, 213,081,334.65 and 84,800,312.70

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Solution

The fourth proportional to 142,337,658.30, 213,081,334.65 and 84,800,312.70 is: 126,947,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,337,658.30 : 213,081,334.65 = 84,800,312.70 : x
  2. Step 2: Convert to fraction form
    142,337,658.30/213,081,334.65 = 84,800,312.70/x
  3. Step 3: Cross multiply
    142,337,658.30x = 213,081,334.65 × 84,800,312.70
  4. Step 4: Simplify right side
    142,337,658.30x = 18,069,363,808,853,348
  5. Step 5: Solve for x
    x = 18,069,363,808,853,348/142,337,658.30
  6. Step 6: Final answer
    x = 126,947,176.35

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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.