Home / 99,840,056.40-149,760,084.60-54,490,424.40

Finding the Fourth Proportional to 99,840,056.40, 149,760,084.60 and 54,490,424.40

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Solution

The fourth proportional to 99,840,056.40, 149,760,084.60 and 54,490,424.40 is: 81,735,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,840,056.40 : 149,760,084.60 = 54,490,424.40 : x
  2. Step 2: Convert to fraction form
    99,840,056.40/149,760,084.60 = 54,490,424.40/x
  3. Step 3: Cross multiply
    99,840,056.40x = 149,760,084.60 × 54,490,424.40
  4. Step 4: Simplify right side
    99,840,056.40x = 8,160,490,568,033,904
  5. Step 5: Solve for x
    x = 8,160,490,568,033,904/99,840,056.40
  6. Step 6: Final answer
    x = 81,735,636.60

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1.5x scale

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.