Home / 112,615,280.20-168,861,340.02-89,421,015.96

Finding the Fourth Proportional to 112,615,280.20, 168,861,340.02 and 89,421,015.96

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Solution

The fourth proportional to 112,615,280.20, 168,861,340.02 and 89,421,015.96 is: 134,082,626.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,615,280.20 : 168,861,340.02 = 89,421,015.96 : x
  2. Step 2: Convert to fraction form
    112,615,280.20/168,861,340.02 = 89,421,015.96/x
  3. Step 3: Cross multiply
    112,615,280.20x = 168,861,340.02 × 89,421,015.96
  4. Step 4: Simplify right side
    112,615,280.20x = 15,099,752,580,955,406
  5. Step 5: Solve for x
    x = 15,099,752,580,955,406/112,615,280.20
  6. Step 6: Final answer
    x = 134,082,626.75

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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.