Home / 82,912,111.90-124,368,167.85-39,759,102.70

Finding the Fourth Proportional to 82,912,111.90, 124,368,167.85 and 39,759,102.70

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Solution

The fourth proportional to 82,912,111.90, 124,368,167.85 and 39,759,102.70 is: 59,638,654.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,912,111.90 : 124,368,167.85 = 39,759,102.70 : x
  2. Step 2: Convert to fraction form
    82,912,111.90/124,368,167.85 = 39,759,102.70/x
  3. Step 3: Cross multiply
    82,912,111.90x = 124,368,167.85 × 39,759,102.70
  4. Step 4: Simplify right side
    82,912,111.90x = 4,944,766,758,158,988
  5. Step 5: Solve for x
    x = 4,944,766,758,158,988/82,912,111.90
  6. Step 6: Final answer
    x = 59,638,654.05

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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.