Home / 89,039,896.60-133,559,844.90-66,081,645.40

Finding the Fourth Proportional to 89,039,896.60, 133,559,844.90 and 66,081,645.40

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Solution

The fourth proportional to 89,039,896.60, 133,559,844.90 and 66,081,645.40 is: 99,122,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,039,896.60 : 133,559,844.90 = 66,081,645.40 : x
  2. Step 2: Convert to fraction form
    89,039,896.60/133,559,844.90 = 66,081,645.40/x
  3. Step 3: Cross multiply
    89,039,896.60x = 133,559,844.90 × 66,081,645.40
  4. Step 4: Simplify right side
    89,039,896.60x = 8,825,854,310,360,799
  5. Step 5: Solve for x
    x = 8,825,854,310,360,799/89,039,896.60
  6. Step 6: Final answer
    x = 99,122,468.10

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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.