Home / 120,613,622.28-180,463,882.14-71,455,866.97

Finding the Fourth Proportional to 120,613,622.28, 180,463,882.14 and 71,455,866.97

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Solution

The fourth proportional to 120,613,622.28, 180,463,882.14 and 71,455,866.97 is: 106,913,322.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,613,622.28 : 180,463,882.14 = 71,455,866.97 : x
  2. Step 2: Convert to fraction form
    120,613,622.28/180,463,882.14 = 71,455,866.97/x
  3. Step 3: Cross multiply
    120,613,622.28x = 180,463,882.14 × 71,455,866.97
  4. Step 4: Simplify right side
    120,613,622.28x = 12,895,203,155,085,598
  5. Step 5: Solve for x
    x = 12,895,203,155,085,598/120,613,622.28
  6. Step 6: Final answer
    x = 106,913,322.98

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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.