Home / 124,020,447.58-185,905,616.01-77,995,209.43

Finding the Fourth Proportional to 124,020,447.58, 185,905,616.01 and 77,995,209.43

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Solution

The fourth proportional to 124,020,447.58, 185,905,616.01 and 77,995,209.43 is: 116,914,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,020,447.58 : 185,905,616.01 = 77,995,209.43 : x
  2. Step 2: Convert to fraction form
    124,020,447.58/185,905,616.01 = 77,995,209.43/x
  3. Step 3: Cross multiply
    124,020,447.58x = 185,905,616.01 × 77,995,209.43
  4. Step 4: Simplify right side
    124,020,447.58x = 14,499,747,454,913,112
  5. Step 5: Solve for x
    x = 14,499,747,454,913,112/124,020,447.58
  6. Step 6: Final answer
    x = 116,914,168.09

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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.