Home / 80,939,336.80-121,409,005.20-56,705,627.20

Finding the Fourth Proportional to 80,939,336.80, 121,409,005.20 and 56,705,627.20

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Solution

The fourth proportional to 80,939,336.80, 121,409,005.20 and 56,705,627.20 is: 85,058,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,939,336.80 : 121,409,005.20 = 56,705,627.20 : x
  2. Step 2: Convert to fraction form
    80,939,336.80/121,409,005.20 = 56,705,627.20/x
  3. Step 3: Cross multiply
    80,939,336.80x = 121,409,005.20 × 56,705,627.20
  4. Step 4: Simplify right side
    80,939,336.80x = 6,884,573,787,594,062
  5. Step 5: Solve for x
    x = 6,884,573,787,594,062/80,939,336.80
  6. Step 6: Final answer
    x = 85,058,440.80

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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.