Home / 125,073,317.43-172,500,536.52-109,953,236.90

Finding the Fourth Proportional to 125,073,317.43, 172,500,536.52 and 109,953,236.90

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Solution

The fourth proportional to 125,073,317.43, 172,500,536.52 and 109,953,236.90 is: 151,646,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,073,317.43 : 172,500,536.52 = 109,953,236.90 : x
  2. Step 2: Convert to fraction form
    125,073,317.43/172,500,536.52 = 109,953,236.90/x
  3. Step 3: Cross multiply
    125,073,317.43x = 172,500,536.52 × 109,953,236.90
  4. Step 4: Simplify right side
    125,073,317.43x = 18,966,992,357,791,916
  5. Step 5: Solve for x
    x = 18,966,992,357,791,916/125,073,317.43
  6. Step 6: Final answer
    x = 151,646,991.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.