Home / 89,005,443.60-133,508,165.40-54,568,066.80

Finding the Fourth Proportional to 89,005,443.60, 133,508,165.40 and 54,568,066.80

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Solution

The fourth proportional to 89,005,443.60, 133,508,165.40 and 54,568,066.80 is: 81,852,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,005,443.60 : 133,508,165.40 = 54,568,066.80 : x
  2. Step 2: Convert to fraction form
    89,005,443.60/133,508,165.40 = 54,568,066.80/x
  3. Step 3: Cross multiply
    89,005,443.60x = 133,508,165.40 × 54,568,066.80
  4. Step 4: Simplify right side
    89,005,443.60x = 7,285,282,487,892,649
  5. Step 5: Solve for x
    x = 7,285,282,487,892,649/89,005,443.60
  6. Step 6: Final answer
    x = 81,852,100.20

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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.