Home / 90,893,029.38-125,432,520.89-51,734,805.72

Finding the Fourth Proportional to 90,893,029.38, 125,432,520.89 and 51,734,805.72

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Solution

The fourth proportional to 90,893,029.38, 125,432,520.89 and 51,734,805.72 is: 71,394,111.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,893,029.38 : 125,432,520.89 = 51,734,805.72 : x
  2. Step 2: Convert to fraction form
    90,893,029.38/125,432,520.89 = 51,734,805.72/x
  3. Step 3: Cross multiply
    90,893,029.38x = 125,432,520.89 × 51,734,805.72
  4. Step 4: Simplify right side
    90,893,029.38x = 6,489,227,098,955,318
  5. Step 5: Solve for x
    x = 6,489,227,098,955,318/90,893,029.38
  6. Step 6: Final answer
    x = 71,394,111.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.