Home / 56,006,979.60-84,029,131.80-49,986,627.60

Finding the Fourth Proportional to 56,006,979.60, 84,029,131.80 and 49,986,627.60

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Solution

The fourth proportional to 56,006,979.60, 84,029,131.80 and 49,986,627.60 is: 74,996,597.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,006,979.60 : 84,029,131.80 = 49,986,627.60 : x
  2. Step 2: Convert to fraction form
    56,006,979.60/84,029,131.80 = 49,986,627.60/x
  3. Step 3: Cross multiply
    56,006,979.60x = 84,029,131.80 × 49,986,627.60
  4. Step 4: Simplify right side
    56,006,979.60x = 4,200,332,918,837,917.50
  5. Step 5: Solve for x
    x = 4,200,332,918,837,917.50/56,006,979.60
  6. Step 6: Final answer
    x = 74,996,597.72

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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.