Home / 84,272,427.28-126,408,641.10-23,688,153.28

Finding the Fourth Proportional to 84,272,427.28, 126,408,641.10 and 23,688,153.28

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Solution

The fourth proportional to 84,272,427.28, 126,408,641.10 and 23,688,153.28 is: 35,532,229.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,272,427.28 : 126,408,641.10 = 23,688,153.28 : x
  2. Step 2: Convert to fraction form
    84,272,427.28/126,408,641.10 = 23,688,153.28/x
  3. Step 3: Cross multiply
    84,272,427.28x = 126,408,641.10 × 23,688,153.28
  4. Step 4: Simplify right side
    84,272,427.28x = 2,994,387,266,293,308
  5. Step 5: Solve for x
    x = 2,994,387,266,293,308/84,272,427.28
  6. Step 6: Final answer
    x = 35,532,229.97

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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.