Home / 80,453,036.30-120,679,554.45-48,204,409.10

Finding the Fourth Proportional to 80,453,036.30, 120,679,554.45 and 48,204,409.10

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Solution

The fourth proportional to 80,453,036.30, 120,679,554.45 and 48,204,409.10 is: 72,306,613.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,453,036.30 : 120,679,554.45 = 48,204,409.10 : x
  2. Step 2: Convert to fraction form
    80,453,036.30/120,679,554.45 = 48,204,409.10/x
  3. Step 3: Cross multiply
    80,453,036.30x = 120,679,554.45 × 48,204,409.10
  4. Step 4: Simplify right side
    80,453,036.30x = 5,817,286,612,713,526
  5. Step 5: Solve for x
    x = 5,817,286,612,713,526/80,453,036.30
  6. Step 6: Final answer
    x = 72,306,613.65

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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.