Home / 163,253,499.21-225,289,828.98-89,914,641.21

Finding the Fourth Proportional to 163,253,499.21, 225,289,828.98 and 89,914,641.21

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Solution

The fourth proportional to 163,253,499.21, 225,289,828.98 and 89,914,641.21 is: 124,082,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,253,499.21 : 225,289,828.98 = 89,914,641.21 : x
  2. Step 2: Convert to fraction form
    163,253,499.21/225,289,828.98 = 89,914,641.21/x
  3. Step 3: Cross multiply
    163,253,499.21x = 225,289,828.98 × 89,914,641.21
  4. Step 4: Simplify right side
    163,253,499.21x = 20,256,854,140,998,956
  5. Step 5: Solve for x
    x = 20,256,854,140,998,956/163,253,499.21
  6. Step 6: Final answer
    x = 124,082,204.91

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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.