Home / 120,185,234.20-180,466,808.10-69,166,898.20

Finding the Fourth Proportional to 120,185,234.20, 180,466,808.10 and 69,166,898.20

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Solution

The fourth proportional to 120,185,234.20, 180,466,808.10 and 69,166,898.20 is: 103,859,092.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,185,234.20 : 180,466,808.10 = 69,166,898.20 : x
  2. Step 2: Convert to fraction form
    120,185,234.20/180,466,808.10 = 69,166,898.20/x
  3. Step 3: Cross multiply
    120,185,234.20x = 180,466,808.10 × 69,166,898.20
  4. Step 4: Simplify right side
    120,185,234.20x = 12,482,329,344,331,636
  5. Step 5: Solve for x
    x = 12,482,329,344,331,636/120,185,234.20
  6. Step 6: Final answer
    x = 103,859,092.40

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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.