Home / 87,428,895.89-131,134,357.08-29,130,277.46

Finding the Fourth Proportional to 87,428,895.89, 131,134,357.08 and 29,130,277.46

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Solution

The fourth proportional to 87,428,895.89, 131,134,357.08 and 29,130,277.46 is: 43,692,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,428,895.89 : 131,134,357.08 = 29,130,277.46 : x
  2. Step 2: Convert to fraction form
    87,428,895.89/131,134,357.08 = 29,130,277.46/x
  3. Step 3: Cross multiply
    87,428,895.89x = 131,134,357.08 × 29,130,277.46
  4. Step 4: Simplify right side
    87,428,895.89x = 3,819,980,205,623,443.50
  5. Step 5: Solve for x
    x = 3,819,980,205,623,443.50/87,428,895.89
  6. Step 6: Final answer
    x = 43,692,421.90

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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.