Home / 159,997,074.68-220,813,881.72-90,386,939.48

Finding the Fourth Proportional to 159,997,074.68, 220,813,881.72 and 90,386,939.48

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Solution

The fourth proportional to 159,997,074.68, 220,813,881.72 and 90,386,939.48 is: 124,744,099.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,997,074.68 : 220,813,881.72 = 90,386,939.48 : x
  2. Step 2: Convert to fraction form
    159,997,074.68/220,813,881.72 = 90,386,939.48/x
  3. Step 3: Cross multiply
    159,997,074.68x = 220,813,881.72 × 90,386,939.48
  4. Step 4: Simplify right side
    159,997,074.68x = 19,958,690,963,369,520
  5. Step 5: Solve for x
    x = 19,958,690,963,369,520/159,997,074.68
  6. Step 6: Final answer
    x = 124,744,099.25

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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.