Home / 54,282,682.20-81,424,023.30-38,126,875.80

Finding the Fourth Proportional to 54,282,682.20, 81,424,023.30 and 38,126,875.80

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Solution

The fourth proportional to 54,282,682.20, 81,424,023.30 and 38,126,875.80 is: 57,190,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,282,682.20 : 81,424,023.30 = 38,126,875.80 : x
  2. Step 2: Convert to fraction form
    54,282,682.20/81,424,023.30 = 38,126,875.80/x
  3. Step 3: Cross multiply
    54,282,682.20x = 81,424,023.30 × 38,126,875.80
  4. Step 4: Simplify right side
    54,282,682.20x = 3,104,443,623,495,406
  5. Step 5: Solve for x
    x = 3,104,443,623,495,406/54,282,682.20
  6. Step 6: Final answer
    x = 57,190,313.70

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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.