Home / 72,322,169.76-99,805,327.34-39,283,065.18

Finding the Fourth Proportional to 72,322,169.76, 99,805,327.34 and 39,283,065.18

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Solution

The fourth proportional to 72,322,169.76, 99,805,327.34 and 39,283,065.18 is: 54,211,028.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,322,169.76 : 99,805,327.34 = 39,283,065.18 : x
  2. Step 2: Convert to fraction form
    72,322,169.76/99,805,327.34 = 39,283,065.18/x
  3. Step 3: Cross multiply
    72,322,169.76x = 99,805,327.34 × 39,283,065.18
  4. Step 4: Simplify right side
    72,322,169.76x = 3,920,659,179,012,040.50
  5. Step 5: Solve for x
    x = 3,920,659,179,012,040.50/72,322,169.76
  6. Step 6: Final answer
    x = 54,211,028.13

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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.