Home / 66,544,005.60-99,816,008.40-40,677,919.20

Finding the Fourth Proportional to 66,544,005.60, 99,816,008.40 and 40,677,919.20

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Solution

The fourth proportional to 66,544,005.60, 99,816,008.40 and 40,677,919.20 is: 61,016,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,544,005.60 : 99,816,008.40 = 40,677,919.20 : x
  2. Step 2: Convert to fraction form
    66,544,005.60/99,816,008.40 = 40,677,919.20/x
  3. Step 3: Cross multiply
    66,544,005.60x = 99,816,008.40 × 40,677,919.20
  4. Step 4: Simplify right side
    66,544,005.60x = 4,060,307,524,561,722
  5. Step 5: Solve for x
    x = 4,060,307,524,561,722/66,544,005.60
  6. Step 6: Final answer
    x = 61,016,878.80

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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.