Home / 123,286,839.52-170,129,792.67-67,532,507.29

Finding the Fourth Proportional to 123,286,839.52, 170,129,792.67 and 67,532,507.29

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Solution

The fourth proportional to 123,286,839.52, 170,129,792.67 and 67,532,507.29 is: 93,191,548.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,286,839.52 : 170,129,792.67 = 67,532,507.29 : x
  2. Step 2: Convert to fraction form
    123,286,839.52/170,129,792.67 = 67,532,507.29/x
  3. Step 3: Cross multiply
    123,286,839.52x = 170,129,792.67 × 67,532,507.29
  4. Step 4: Simplify right side
    123,286,839.52x = 11,489,291,463,732,964
  5. Step 5: Solve for x
    x = 11,489,291,463,732,964/123,286,839.52
  6. Step 6: Final answer
    x = 93,191,548.33

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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.