Home / 89,088,069.60-133,632,104.40-71,172,165.60

Finding the Fourth Proportional to 89,088,069.60, 133,632,104.40 and 71,172,165.60

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Solution

The fourth proportional to 89,088,069.60, 133,632,104.40 and 71,172,165.60 is: 106,758,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,088,069.60 : 133,632,104.40 = 71,172,165.60 : x
  2. Step 2: Convert to fraction form
    89,088,069.60/133,632,104.40 = 71,172,165.60/x
  3. Step 3: Cross multiply
    89,088,069.60x = 133,632,104.40 × 71,172,165.60
  4. Step 4: Simplify right side
    89,088,069.60x = 9,510,886,263,833,288
  5. Step 5: Solve for x
    x = 9,510,886,263,833,288/89,088,069.60
  6. Step 6: Final answer
    x = 106,758,248.40

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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.