Home / 159,877,238.68-220,618,275.66-90,269,490.16

Finding the Fourth Proportional to 159,877,238.68, 220,618,275.66 and 90,269,490.16

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Solution

The fourth proportional to 159,877,238.68, 220,618,275.66 and 90,269,490.16 is: 124,564,943.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,877,238.68 : 220,618,275.66 = 90,269,490.16 : x
  2. Step 2: Convert to fraction form
    159,877,238.68/220,618,275.66 = 90,269,490.16/x
  3. Step 3: Cross multiply
    159,877,238.68x = 220,618,275.66 × 90,269,490.16
  4. Step 4: Simplify right side
    159,877,238.68x = 19,915,099,263,806,536
  5. Step 5: Solve for x
    x = 19,915,099,263,806,536/159,877,238.68
  6. Step 6: Final answer
    x = 124,564,943.88

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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.