Home / 83,786,328.40-125,396,057.40-73,582,661.20

Finding the Fourth Proportional to 83,786,328.40, 125,396,057.40 and 73,582,661.20

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Solution

The fourth proportional to 83,786,328.40, 125,396,057.40 and 73,582,661.20 is: 110,125,073.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,786,328.40 : 125,396,057.40 = 73,582,661.20 : x
  2. Step 2: Convert to fraction form
    83,786,328.40/125,396,057.40 = 73,582,661.20/x
  3. Step 3: Cross multiply
    83,786,328.40x = 125,396,057.40 × 73,582,661.20
  4. Step 4: Simplify right side
    83,786,328.40x = 9,226,975,607,479,954
  5. Step 5: Solve for x
    x = 9,226,975,607,479,954/83,786,328.40
  6. Step 6: Final answer
    x = 110,125,073.91

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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.