Home / 115,941,741.95-159,998,660.75-63,730,222.49

Finding the Fourth Proportional to 115,941,741.95, 159,998,660.75 and 63,730,222.49

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Solution

The fourth proportional to 115,941,741.95, 159,998,660.75 and 63,730,222.49 is: 87,947,188.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,941,741.95 : 159,998,660.75 = 63,730,222.49 : x
  2. Step 2: Convert to fraction form
    115,941,741.95/159,998,660.75 = 63,730,222.49/x
  3. Step 3: Cross multiply
    115,941,741.95x = 159,998,660.75 × 63,730,222.49
  4. Step 4: Simplify right side
    115,941,741.95x = 10,196,750,247,699,530
  5. Step 5: Solve for x
    x = 10,196,750,247,699,530/115,941,741.95
  6. Step 6: Final answer
    x = 87,947,188.62

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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.