Home / 89,071,806.60-133,607,709.90-74,722,899.60

Finding the Fourth Proportional to 89,071,806.60, 133,607,709.90 and 74,722,899.60

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Solution

The fourth proportional to 89,071,806.60, 133,607,709.90 and 74,722,899.60 is: 112,084,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,071,806.60 : 133,607,709.90 = 74,722,899.60 : x
  2. Step 2: Convert to fraction form
    89,071,806.60/133,607,709.90 = 74,722,899.60/x
  3. Step 3: Cross multiply
    89,071,806.60x = 133,607,709.90 × 74,722,899.60
  4. Step 4: Simplify right side
    89,071,806.60x = 9,983,555,492,643,626
  5. Step 5: Solve for x
    x = 9,983,555,492,643,626/89,071,806.60
  6. Step 6: Final answer
    x = 112,084,349.40

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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.