Home / 72,581,330.70-108,871,996.05-48,394,860.30

Finding the Fourth Proportional to 72,581,330.70, 108,871,996.05 and 48,394,860.30

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Solution

The fourth proportional to 72,581,330.70, 108,871,996.05 and 48,394,860.30 is: 72,592,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581,330.70 : 108,871,996.05 = 48,394,860.30 : x
  2. Step 2: Convert to fraction form
    72,581,330.70/108,871,996.05 = 48,394,860.30/x
  3. Step 3: Cross multiply
    72,581,330.70x = 108,871,996.05 × 48,394,860.30
  4. Step 4: Simplify right side
    72,581,330.70x = 5,268,845,039,421,901
  5. Step 5: Solve for x
    x = 5,268,845,039,421,901/72,581,330.70
  6. Step 6: Final answer
    x = 72,592,290.45

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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.