Home / 202,286,545.60-279,155,433.28-109,467,053.40

Finding the Fourth Proportional to 202,286,545.60, 279,155,433.28 and 109,467,053.40

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Solution

The fourth proportional to 202,286,545.60, 279,155,433.28 and 109,467,053.40 is: 151,064,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,286,545.60 : 279,155,433.28 = 109,467,053.40 : x
  2. Step 2: Convert to fraction form
    202,286,545.60/279,155,433.28 = 109,467,053.40/x
  3. Step 3: Cross multiply
    202,286,545.60x = 279,155,433.28 × 109,467,053.40
  4. Step 4: Simplify right side
    202,286,545.60x = 30,558,322,721,761,896
  5. Step 5: Solve for x
    x = 30,558,322,721,761,896/202,286,545.60
  6. Step 6: Final answer
    x = 151,064,533.88

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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.