Home / 156,614,562.48-216,122,087.88-87,004,320.24

Finding the Fourth Proportional to 156,614,562.48, 216,122,087.88 and 87,004,320.24

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Solution

The fourth proportional to 156,614,562.48, 216,122,087.88 and 87,004,320.24 is: 120,062,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,614,562.48 : 216,122,087.88 = 87,004,320.24 : x
  2. Step 2: Convert to fraction form
    156,614,562.48/216,122,087.88 = 87,004,320.24/x
  3. Step 3: Cross multiply
    156,614,562.48x = 216,122,087.88 × 87,004,320.24
  4. Step 4: Simplify right side
    156,614,562.48x = 18,803,555,344,848,940
  5. Step 5: Solve for x
    x = 18,803,555,344,848,940/156,614,562.48
  6. Step 6: Final answer
    x = 120,062,624.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.