Home / 121,013,469.28-181,520,100.24-44,342,498.08

Finding the Fourth Proportional to 121,013,469.28, 181,520,100.24 and 44,342,498.08

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Solution

The fourth proportional to 121,013,469.28, 181,520,100.24 and 44,342,498.08 is: 66,513,709.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,013,469.28 : 181,520,100.24 = 44,342,498.08 : x
  2. Step 2: Convert to fraction form
    121,013,469.28/181,520,100.24 = 44,342,498.08/x
  3. Step 3: Cross multiply
    121,013,469.28x = 181,520,100.24 × 44,342,498.08
  4. Step 4: Simplify right side
    121,013,469.28x = 8,049,054,696,373,608
  5. Step 5: Solve for x
    x = 8,049,054,696,373,608/121,013,469.28
  6. Step 6: Final answer
    x = 66,513,709.13

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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.