Home / 74,863,472.80-112,295,209.20-45,764,125.60

Finding the Fourth Proportional to 74,863,472.80, 112,295,209.20 and 45,764,125.60

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Solution

The fourth proportional to 74,863,472.80, 112,295,209.20 and 45,764,125.60 is: 68,646,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,863,472.80 : 112,295,209.20 = 45,764,125.60 : x
  2. Step 2: Convert to fraction form
    74,863,472.80/112,295,209.20 = 45,764,125.60/x
  3. Step 3: Cross multiply
    74,863,472.80x = 112,295,209.20 × 45,764,125.60
  4. Step 4: Simplify right side
    74,863,472.80x = 5,139,092,058,107,076
  5. Step 5: Solve for x
    x = 5,139,092,058,107,076/74,863,472.80
  6. Step 6: Final answer
    x = 68,646,188.40

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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.