Home / 129,025,152.30-193,537,728.45-48,235,622.70

Finding the Fourth Proportional to 129,025,152.30, 193,537,728.45 and 48,235,622.70

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Solution

The fourth proportional to 129,025,152.30, 193,537,728.45 and 48,235,622.70 is: 72,353,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,025,152.30 : 193,537,728.45 = 48,235,622.70 : x
  2. Step 2: Convert to fraction form
    129,025,152.30/193,537,728.45 = 48,235,622.70/x
  3. Step 3: Cross multiply
    129,025,152.30x = 193,537,728.45 × 48,235,622.70
  4. Step 4: Simplify right side
    129,025,152.30x = 9,335,412,847,729,256
  5. Step 5: Solve for x
    x = 9,335,412,847,729,256/129,025,152.30
  6. Step 6: Final answer
    x = 72,353,434.05

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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.