Home / 83,133,586.40-124,720,882.32-28,546,985

Finding the Fourth Proportional to 83,133,586.40, 124,720,882.32 and 28,546,985

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Solution

The fourth proportional to 83,133,586.40, 124,720,882.32 and 28,546,985 is: 42,827,517.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,133,586.40 : 124,720,882.32 = 28,546,985 : x
  2. Step 2: Convert to fraction form
    83,133,586.40/124,720,882.32 = 28,546,985/x
  3. Step 3: Cross multiply
    83,133,586.40x = 124,720,882.32 × 28,546,985
  4. Step 4: Simplify right side
    83,133,586.40x = 3,560,405,156,775,805
  5. Step 5: Solve for x
    x = 3,560,405,156,775,805/83,133,586.40
  6. Step 6: Final answer
    x = 42,827,517.87

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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.