Home / 72,171,490.95-108,044,660.03-67,967,202.15

Finding the Fourth Proportional to 72,171,490.95, 108,044,660.03 and 67,967,202.15

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Solution

The fourth proportional to 72,171,490.95, 108,044,660.03 and 67,967,202.15 is: 101,750,610.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,171,490.95 : 108,044,660.03 = 67,967,202.15 : x
  2. Step 2: Convert to fraction form
    72,171,490.95/108,044,660.03 = 67,967,202.15/x
  3. Step 3: Cross multiply
    72,171,490.95x = 108,044,660.03 × 67,967,202.15
  4. Step 4: Simplify right side
    72,171,490.95x = 7,343,493,249,147,200
  5. Step 5: Solve for x
    x = 7,343,493,249,147,200/72,171,490.95
  6. Step 6: Final answer
    x = 101,750,610.28

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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.