Home / 80,744,487.60-121,116,731.40-37,697,766.60

Finding the Fourth Proportional to 80,744,487.60, 121,116,731.40 and 37,697,766.60

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Solution

The fourth proportional to 80,744,487.60, 121,116,731.40 and 37,697,766.60 is: 56,546,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,744,487.60 : 121,116,731.40 = 37,697,766.60 : x
  2. Step 2: Convert to fraction form
    80,744,487.60/121,116,731.40 = 37,697,766.60/x
  3. Step 3: Cross multiply
    80,744,487.60x = 121,116,731.40 × 37,697,766.60
  4. Step 4: Simplify right side
    80,744,487.60x = 4,565,830,271,672,092
  5. Step 5: Solve for x
    x = 4,565,830,271,672,092/80,744,487.60
  6. Step 6: Final answer
    x = 56,546,649.90

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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.