Home / 55,749,419.71-76,936,380.56-38,145,244.21

Finding the Fourth Proportional to 55,749,419.71, 76,936,380.56 and 38,145,244.21

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Solution

The fourth proportional to 55,749,419.71, 76,936,380.56 and 38,145,244.21 is: 52,641,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,749,419.71 : 76,936,380.56 = 38,145,244.21 : x
  2. Step 2: Convert to fraction form
    55,749,419.71/76,936,380.56 = 38,145,244.21/x
  3. Step 3: Cross multiply
    55,749,419.71x = 76,936,380.56 × 38,145,244.21
  4. Step 4: Simplify right side
    55,749,419.71x = 2,934,757,024,854,674.50
  5. Step 5: Solve for x
    x = 2,934,757,024,854,674.50/55,749,419.71
  6. Step 6: Final answer
    x = 52,641,929.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.