Home / 56,680,067.60-85,020,101.40-18,345,456.80

Finding the Fourth Proportional to 56,680,067.60, 85,020,101.40 and 18,345,456.80

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Solution

The fourth proportional to 56,680,067.60, 85,020,101.40 and 18,345,456.80 is: 27,518,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,680,067.60 : 85,020,101.40 = 18,345,456.80 : x
  2. Step 2: Convert to fraction form
    56,680,067.60/85,020,101.40 = 18,345,456.80/x
  3. Step 3: Cross multiply
    56,680,067.60x = 85,020,101.40 × 18,345,456.80
  4. Step 4: Simplify right side
    56,680,067.60x = 1,559,732,597,365,319.75
  5. Step 5: Solve for x
    x = 1,559,732,597,365,319.75/56,680,067.60
  6. Step 6: Final answer
    x = 27,518,185.20

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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.