Home / 99,840,054.40-149,760,081.60-54,490,422.40

Finding the Fourth Proportional to 99,840,054.40, 149,760,081.60 and 54,490,422.40

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Solution

The fourth proportional to 99,840,054.40, 149,760,081.60 and 54,490,422.40 is: 81,735,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,840,054.40 : 149,760,081.60 = 54,490,422.40 : x
  2. Step 2: Convert to fraction form
    99,840,054.40/149,760,081.60 = 54,490,422.40/x
  3. Step 3: Cross multiply
    99,840,054.40x = 149,760,081.60 × 54,490,422.40
  4. Step 4: Simplify right side
    99,840,054.40x = 8,160,490,105,042,467
  5. Step 5: Solve for x
    x = 8,160,490,105,042,467/99,840,054.40
  6. Step 6: Final answer
    x = 81,735,633.60

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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.