Home / 186,799,737.48-279,956,563.02-76,006,290.21

Finding the Fourth Proportional to 186,799,737.48, 279,956,563.02 and 76,006,290.21

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Solution

The fourth proportional to 186,799,737.48, 279,956,563.02 and 76,006,290.21 is: 113,910,544.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,799,737.48 : 279,956,563.02 = 76,006,290.21 : x
  2. Step 2: Convert to fraction form
    186,799,737.48/279,956,563.02 = 76,006,290.21/x
  3. Step 3: Cross multiply
    186,799,737.48x = 279,956,563.02 × 76,006,290.21
  4. Step 4: Simplify right side
    186,799,737.48x = 21,278,459,775,092,272
  5. Step 5: Solve for x
    x = 21,278,459,775,092,272/186,799,737.48
  6. Step 6: Final answer
    x = 113,910,544.32

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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.