Home / 74,818,375.20-112,227,562.80-70,661,325.60

Finding the Fourth Proportional to 74,818,375.20, 112,227,562.80 and 70,661,325.60

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Solution

The fourth proportional to 74,818,375.20, 112,227,562.80 and 70,661,325.60 is: 105,991,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,818,375.20 : 112,227,562.80 = 70,661,325.60 : x
  2. Step 2: Convert to fraction form
    74,818,375.20/112,227,562.80 = 70,661,325.60/x
  3. Step 3: Cross multiply
    74,818,375.20x = 112,227,562.80 × 70,661,325.60
  4. Step 4: Simplify right side
    74,818,375.20x = 7,930,148,356,305,247
  5. Step 5: Solve for x
    x = 7,930,148,356,305,247/74,818,375.20
  6. Step 6: Final answer
    x = 105,991,988.40

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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.