Home / 187,891,478.09-281,745,010.46-77,207,096.45

Finding the Fourth Proportional to 187,891,478.09, 281,745,010.46 and 77,207,096.45

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Solution

The fourth proportional to 187,891,478.09, 281,745,010.46 and 77,207,096.45 is: 115,772,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,891,478.09 : 281,745,010.46 = 77,207,096.45 : x
  2. Step 2: Convert to fraction form
    187,891,478.09/281,745,010.46 = 77,207,096.45/x
  3. Step 3: Cross multiply
    187,891,478.09x = 281,745,010.46 × 77,207,096.45
  4. Step 4: Simplify right side
    187,891,478.09x = 21,752,714,195,096,716
  5. Step 5: Solve for x
    x = 21,752,714,195,096,716/187,891,478.09
  6. Step 6: Final answer
    x = 115,772,755.72

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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.