Home / 45,326,823.60-67,998,529.80-18,403,201.20

Finding the Fourth Proportional to 45,326,823.60, 67,998,529.80 and 18,403,201.20

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Solution

The fourth proportional to 45,326,823.60, 67,998,529.80 and 18,403,201.20 is: 27,608,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,326,823.60 : 67,998,529.80 = 18,403,201.20 : x
  2. Step 2: Convert to fraction form
    45,326,823.60/67,998,529.80 = 18,403,201.20/x
  3. Step 3: Cross multiply
    45,326,823.60x = 67,998,529.80 × 18,403,201.20
  4. Step 4: Simplify right side
    45,326,823.60x = 1,251,390,625,213,595.75
  5. Step 5: Solve for x
    x = 1,251,390,625,213,595.75/45,326,823.60
  6. Step 6: Final answer
    x = 27,608,169.42

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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.