Home / 55,334,013.60-83,001,020.40-54,578,186.40

Finding the Fourth Proportional to 55,334,013.60, 83,001,020.40 and 54,578,186.40

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Solution

The fourth proportional to 55,334,013.60, 83,001,020.40 and 54,578,186.40 is: 81,867,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,334,013.60 : 83,001,020.40 = 54,578,186.40 : x
  2. Step 2: Convert to fraction form
    55,334,013.60/83,001,020.40 = 54,578,186.40/x
  3. Step 3: Cross multiply
    55,334,013.60x = 83,001,020.40 × 54,578,186.40
  4. Step 4: Simplify right side
    55,334,013.60x = 4,530,045,162,781,403
  5. Step 5: Solve for x
    x = 4,530,045,162,781,403/55,334,013.60
  6. Step 6: Final answer
    x = 81,867,279.60

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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.