Home / 89,409,327.40-134,007,702.90-80,268,542.20

Finding the Fourth Proportional to 89,409,327.40, 134,007,702.90 and 80,268,542.20

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Solution

The fourth proportional to 89,409,327.40, 134,007,702.90 and 80,268,542.20 is: 120,307,391.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,409,327.40 : 134,007,702.90 = 80,268,542.20 : x
  2. Step 2: Convert to fraction form
    89,409,327.40/134,007,702.90 = 80,268,542.20/x
  3. Step 3: Cross multiply
    89,409,327.40x = 134,007,702.90 × 80,268,542.20
  4. Step 4: Simplify right side
    89,409,327.40x = 10,756,602,955,353,714
  5. Step 5: Solve for x
    x = 10,756,602,955,353,714/89,409,327.40
  6. Step 6: Final answer
    x = 120,307,391.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.