Home / 163,088,373.12-225,061,986.96-89,749,515.12

Finding the Fourth Proportional to 163,088,373.12, 225,061,986.96 and 89,749,515.12

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Solution

The fourth proportional to 163,088,373.12, 225,061,986.96 and 89,749,515.12 is: 123,854,348.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,088,373.12 : 225,061,986.96 = 89,749,515.12 : x
  2. Step 2: Convert to fraction form
    163,088,373.12/225,061,986.96 = 89,749,515.12/x
  3. Step 3: Cross multiply
    163,088,373.12x = 225,061,986.96 × 89,749,515.12
  4. Step 4: Simplify right side
    163,088,373.12x = 20,199,204,201,603,764
  5. Step 5: Solve for x
    x = 20,199,204,201,603,764/163,088,373.12
  6. Step 6: Final answer
    x = 123,854,348.51

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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.