Home / 89,785,409.60-134,489,157.60-74,668,865.60

Finding the Fourth Proportional to 89,785,409.60, 134,489,157.60 and 74,668,865.60

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Solution

The fourth proportional to 89,785,409.60, 134,489,157.60 and 74,668,865.60 is: 111,846,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,785,409.60 : 134,489,157.60 = 74,668,865.60 : x
  2. Step 2: Convert to fraction form
    89,785,409.60/134,489,157.60 = 74,668,865.60/x
  3. Step 3: Cross multiply
    89,785,409.60x = 134,489,157.60 × 74,668,865.60
  4. Step 4: Simplify right side
    89,785,409.60x = 10,042,152,833,491,618
  5. Step 5: Solve for x
    x = 10,042,152,833,491,618/89,785,409.60
  6. Step 6: Final answer
    x = 111,846,154.94

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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.