Home / 55,334,139.35-83,001,209.03-54,578,312.15

Finding the Fourth Proportional to 55,334,139.35, 83,001,209.03 and 54,578,312.15

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Solution

The fourth proportional to 55,334,139.35, 83,001,209.03 and 54,578,312.15 is: 81,867,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,334,139.35 : 83,001,209.03 = 54,578,312.15 : x
  2. Step 2: Convert to fraction form
    55,334,139.35/83,001,209.03 = 54,578,312.15/x
  3. Step 3: Cross multiply
    55,334,139.35x = 83,001,209.03 × 54,578,312.15
  4. Step 4: Simplify right side
    55,334,139.35x = 4,530,065,894,993,847
  5. Step 5: Solve for x
    x = 4,530,065,894,993,847/55,334,139.35
  6. Step 6: Final answer
    x = 81,867,468.23

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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.