Home / 129,457,834.30-194,112,101.85-48,686,967.10

Finding the Fourth Proportional to 129,457,834.30, 194,112,101.85 and 48,686,967.10

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Solution

The fourth proportional to 129,457,834.30, 194,112,101.85 and 48,686,967.10 is: 73,002,376.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,457,834.30 : 194,112,101.85 = 48,686,967.10 : x
  2. Step 2: Convert to fraction form
    129,457,834.30/194,112,101.85 = 48,686,967.10/x
  3. Step 3: Cross multiply
    129,457,834.30x = 194,112,101.85 × 48,686,967.10
  4. Step 4: Simplify right side
    129,457,834.30x = 9,450,729,516,482,800
  5. Step 5: Solve for x
    x = 9,450,729,516,482,800/129,457,834.30
  6. Step 6: Final answer
    x = 73,002,376.16

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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.