Home / 253,551,792.50-380,382,227.06-78,671,322.76

Finding the Fourth Proportional to 253,551,792.50, 380,382,227.06 and 78,671,322.76

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Solution

The fourth proportional to 253,551,792.50, 380,382,227.06 and 78,671,322.76 is: 118,023,906.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,551,792.50 : 380,382,227.06 = 78,671,322.76 : x
  2. Step 2: Convert to fraction form
    253,551,792.50/380,382,227.06 = 78,671,322.76/x
  3. Step 3: Cross multiply
    253,551,792.50x = 380,382,227.06 × 78,671,322.76
  4. Step 4: Simplify right side
    253,551,792.50x = 29,925,172,957,204,868
  5. Step 5: Solve for x
    x = 29,925,172,957,204,868/253,551,792.50
  6. Step 6: Final answer
    x = 118,023,906.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.