Home / 89,769,425.67-134,357,444.76-81,702,649.53

Finding the Fourth Proportional to 89,769,425.67, 134,357,444.76 and 81,702,649.53

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Solution

The fourth proportional to 89,769,425.67, 134,357,444.76 and 81,702,649.53 is: 122,283,941.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,769,425.67 : 134,357,444.76 = 81,702,649.53 : x
  2. Step 2: Convert to fraction form
    89,769,425.67/134,357,444.76 = 81,702,649.53/x
  3. Step 3: Cross multiply
    89,769,425.67x = 134,357,444.76 × 81,702,649.53
  4. Step 4: Simplify right side
    89,769,425.67x = 10,977,359,220,972,614
  5. Step 5: Solve for x
    x = 10,977,359,220,972,614/89,769,425.67
  6. Step 6: Final answer
    x = 122,283,941.77

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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.