Home / 49,510,814.40-74,292,793.65-20,759,856.30

Finding the Fourth Proportional to 49,510,814.40, 74,292,793.65 and 20,759,856.30

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Solution

The fourth proportional to 49,510,814.40, 74,292,793.65 and 20,759,856.30 is: 31,150,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,510,814.40 : 74,292,793.65 = 20,759,856.30 : x
  2. Step 2: Convert to fraction form
    49,510,814.40/74,292,793.65 = 20,759,856.30/x
  3. Step 3: Cross multiply
    49,510,814.40x = 74,292,793.65 × 20,759,856.30
  4. Step 4: Simplify right side
    49,510,814.40x = 1,542,307,720,299,552.75
  5. Step 5: Solve for x
    x = 1,542,307,720,299,552.75/49,510,814.40
  6. Step 6: Final answer
    x = 31,150,926.10

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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.