Home / 89,543,005.20-134,248,152.60-60,717,200.40

Finding the Fourth Proportional to 89,543,005.20, 134,248,152.60 and 60,717,200.40

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Solution

The fourth proportional to 89,543,005.20, 134,248,152.60 and 60,717,200.40 is: 91,030,806.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,543,005.20 : 134,248,152.60 = 60,717,200.40 : x
  2. Step 2: Convert to fraction form
    89,543,005.20/134,248,152.60 = 60,717,200.40/x
  3. Step 3: Cross multiply
    89,543,005.20x = 134,248,152.60 × 60,717,200.40
  4. Step 4: Simplify right side
    89,543,005.20x = 8,151,171,984,743,980
  5. Step 5: Solve for x
    x = 8,151,171,984,743,980/89,543,005.20
  6. Step 6: Final answer
    x = 91,030,806.56

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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.