Home / 72,001,370.28-99,362,154.44-38,961,619.76

Finding the Fourth Proportional to 72,001,370.28, 99,362,154.44 and 38,961,619.76

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Solution

The fourth proportional to 72,001,370.28, 99,362,154.44 and 38,961,619.76 is: 53,767,177.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,001,370.28 : 99,362,154.44 = 38,961,619.76 : x
  2. Step 2: Convert to fraction form
    72,001,370.28/99,362,154.44 = 38,961,619.76/x
  3. Step 3: Cross multiply
    72,001,370.28x = 99,362,154.44 × 38,961,619.76
  4. Step 4: Simplify right side
    72,001,370.28x = 3,871,310,479,825,675.50
  5. Step 5: Solve for x
    x = 3,871,310,479,825,675.50/72,001,370.28
  6. Step 6: Final answer
    x = 53,767,177.83

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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.