Home / 120,185,234.70-180,466,808.85-69,166,898.70

Finding the Fourth Proportional to 120,185,234.70, 180,466,808.85 and 69,166,898.70

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Solution

The fourth proportional to 120,185,234.70, 180,466,808.85 and 69,166,898.70 is: 103,859,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,185,234.70 : 180,466,808.85 = 69,166,898.70 : x
  2. Step 2: Convert to fraction form
    120,185,234.70/180,466,808.85 = 69,166,898.70/x
  3. Step 3: Cross multiply
    120,185,234.70x = 180,466,808.85 × 69,166,898.70
  4. Step 4: Simplify right side
    120,185,234.70x = 12,482,329,486,440,214
  5. Step 5: Solve for x
    x = 12,482,329,486,440,214/120,185,234.70
  6. Step 6: Final answer
    x = 103,859,093.15

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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.