Home / 163,265,877.72-225,306,868.68-89,927,019.72

Finding the Fourth Proportional to 163,265,877.72, 225,306,868.68 and 89,927,019.72

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Solution

The fourth proportional to 163,265,877.72, 225,306,868.68 and 89,927,019.72 is: 124,099,263.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,265,877.72 : 225,306,868.68 = 89,927,019.72 : x
  2. Step 2: Convert to fraction form
    163,265,877.72/225,306,868.68 = 89,927,019.72/x
  3. Step 3: Cross multiply
    163,265,877.72x = 225,306,868.68 × 89,927,019.72
  4. Step 4: Simplify right side
    163,265,877.72x = 20,261,175,222,837,812
  5. Step 5: Solve for x
    x = 20,261,175,222,837,812/163,265,877.72
  6. Step 6: Final answer
    x = 124,099,263.76

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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.