Home / 80,762,590.80-121,143,886.20-48,513,963.60

Finding the Fourth Proportional to 80,762,590.80, 121,143,886.20 and 48,513,963.60

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Solution

The fourth proportional to 80,762,590.80, 121,143,886.20 and 48,513,963.60 is: 72,770,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,762,590.80 : 121,143,886.20 = 48,513,963.60 : x
  2. Step 2: Convert to fraction form
    80,762,590.80/121,143,886.20 = 48,513,963.60/x
  3. Step 3: Cross multiply
    80,762,590.80x = 121,143,886.20 × 48,513,963.60
  4. Step 4: Simplify right side
    80,762,590.80x = 5,877,170,085,469,343
  5. Step 5: Solve for x
    x = 5,877,170,085,469,343/80,762,590.80
  6. Step 6: Final answer
    x = 72,770,945.40

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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.