Home / 47,996,620.80-71,994,931.20-38,430,682.80

Finding the Fourth Proportional to 47,996,620.80, 71,994,931.20 and 38,430,682.80

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Solution

The fourth proportional to 47,996,620.80, 71,994,931.20 and 38,430,682.80 is: 57,646,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,996,620.80 : 71,994,931.20 = 38,430,682.80 : x
  2. Step 2: Convert to fraction form
    47,996,620.80/71,994,931.20 = 38,430,682.80/x
  3. Step 3: Cross multiply
    47,996,620.80x = 71,994,931.20 × 38,430,682.80
  4. Step 4: Simplify right side
    47,996,620.80x = 2,766,814,364,155,023.50
  5. Step 5: Solve for x
    x = 2,766,814,364,155,023.50/47,996,620.80
  6. Step 6: Final answer
    x = 57,646,024.20

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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.