Home / 105,715,229.90-145,888,012.17-59,306,479.97

Finding the Fourth Proportional to 105,715,229.90, 145,888,012.17 and 59,306,479.97

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Solution

The fourth proportional to 105,715,229.90, 145,888,012.17 and 59,306,479.97 is: 81,843,500.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,715,229.90 : 145,888,012.17 = 59,306,479.97 : x
  2. Step 2: Convert to fraction form
    105,715,229.90/145,888,012.17 = 59,306,479.97/x
  3. Step 3: Cross multiply
    105,715,229.90x = 145,888,012.17 × 59,306,479.97
  4. Step 4: Simplify right side
    105,715,229.90x = 8,652,104,470,893,781
  5. Step 5: Solve for x
    x = 8,652,104,470,893,781/105,715,229.90
  6. Step 6: Final answer
    x = 81,843,500.50

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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.