Home / 121,480,219.20-182,236,312.80-44,857,070.40

Finding the Fourth Proportional to 121,480,219.20, 182,236,312.80 and 44,857,070.40

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Solution

The fourth proportional to 121,480,219.20, 182,236,312.80 and 44,857,070.40 is: 67,291,507.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,480,219.20 : 182,236,312.80 = 44,857,070.40 : x
  2. Step 2: Convert to fraction form
    121,480,219.20/182,236,312.80 = 44,857,070.40/x
  3. Step 3: Cross multiply
    121,480,219.20x = 182,236,312.80 × 44,857,070.40
  4. Step 4: Simplify right side
    121,480,219.20x = 8,174,587,112,706,021
  5. Step 5: Solve for x
    x = 8,174,587,112,706,021/121,480,219.20
  6. Step 6: Final answer
    x = 67,291,507.76

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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.