Home / 84,885,920.18-127,328,721.45-26,598,060.43

Finding the Fourth Proportional to 84,885,920.18, 127,328,721.45 and 26,598,060.43

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Solution

The fourth proportional to 84,885,920.18, 127,328,721.45 and 26,598,060.43 is: 39,897,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,885,920.18 : 127,328,721.45 = 26,598,060.43 : x
  2. Step 2: Convert to fraction form
    84,885,920.18/127,328,721.45 = 26,598,060.43/x
  3. Step 3: Cross multiply
    84,885,920.18x = 127,328,721.45 × 26,598,060.43
  4. Step 4: Simplify right side
    84,885,920.18x = 3,386,697,027,183,672.50
  5. Step 5: Solve for x
    x = 3,386,697,027,183,672.50/84,885,920.18
  6. Step 6: Final answer
    x = 39,897,040.87

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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.