Home / 154,894,780.28-232,196,100.62-77,098,131.29

Finding the Fourth Proportional to 154,894,780.28, 232,196,100.62 and 77,098,131.29

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Solution

The fourth proportional to 154,894,780.28, 232,196,100.62 and 77,098,131.29 is: 115,574,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,894,780.28 : 232,196,100.62 = 77,098,131.29 : x
  2. Step 2: Convert to fraction form
    154,894,780.28/232,196,100.62 = 77,098,131.29/x
  3. Step 3: Cross multiply
    154,894,780.28x = 232,196,100.62 × 77,098,131.29
  4. Step 4: Simplify right side
    154,894,780.28x = 17,901,885,449,080,340
  5. Step 5: Solve for x
    x = 17,901,885,449,080,340/154,894,780.28
  6. Step 6: Final answer
    x = 115,574,491.39

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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.