Home / 82,912,200.90-124,368,301.35-39,759,191.70

Finding the Fourth Proportional to 82,912,200.90, 124,368,301.35 and 39,759,191.70

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Solution

The fourth proportional to 82,912,200.90, 124,368,301.35 and 39,759,191.70 is: 59,638,787.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,912,200.90 : 124,368,301.35 = 39,759,191.70 : x
  2. Step 2: Convert to fraction form
    82,912,200.90/124,368,301.35 = 39,759,191.70/x
  3. Step 3: Cross multiply
    82,912,200.90x = 124,368,301.35 × 39,759,191.70
  4. Step 4: Simplify right side
    82,912,200.90x = 4,944,783,134,778,019
  5. Step 5: Solve for x
    x = 4,944,783,134,778,019/82,912,200.90
  6. Step 6: Final answer
    x = 59,638,787.55

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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.