Home / 42,981,453.40-64,472,180.10-39,013,360.60

Finding the Fourth Proportional to 42,981,453.40, 64,472,180.10 and 39,013,360.60

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Solution

The fourth proportional to 42,981,453.40, 64,472,180.10 and 39,013,360.60 is: 58,520,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,981,453.40 : 64,472,180.10 = 39,013,360.60 : x
  2. Step 2: Convert to fraction form
    42,981,453.40/64,472,180.10 = 39,013,360.60/x
  3. Step 3: Cross multiply
    42,981,453.40x = 64,472,180.10 × 39,013,360.60
  4. Step 4: Simplify right side
    42,981,453.40x = 2,515,276,410,909,444
  5. Step 5: Solve for x
    x = 2,515,276,410,909,444/42,981,453.40
  6. Step 6: Final answer
    x = 58,520,040.90

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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.