Home / 159,877,236.68-220,618,272.90-90,269,488.16

Finding the Fourth Proportional to 159,877,236.68, 220,618,272.90 and 90,269,488.16

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Solution

The fourth proportional to 159,877,236.68, 220,618,272.90 and 90,269,488.16 is: 124,564,941.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,877,236.68 : 220,618,272.90 = 90,269,488.16 : x
  2. Step 2: Convert to fraction form
    159,877,236.68/220,618,272.90 = 90,269,488.16/x
  3. Step 3: Cross multiply
    159,877,236.68x = 220,618,272.90 × 90,269,488.16
  4. Step 4: Simplify right side
    159,877,236.68x = 19,915,098,573,426,200
  5. Step 5: Solve for x
    x = 19,915,098,573,426,200/159,877,236.68
  6. Step 6: Final answer
    x = 124,564,941.12

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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.