Home / 66,544,007.10-99,816,010.65-40,677,920.70

Finding the Fourth Proportional to 66,544,007.10, 99,816,010.65 and 40,677,920.70

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Solution

The fourth proportional to 66,544,007.10, 99,816,010.65 and 40,677,920.70 is: 61,016,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,544,007.10 : 99,816,010.65 = 40,677,920.70 : x
  2. Step 2: Convert to fraction form
    66,544,007.10/99,816,010.65 = 40,677,920.70/x
  3. Step 3: Cross multiply
    66,544,007.10x = 99,816,010.65 × 40,677,920.70
  4. Step 4: Simplify right side
    66,544,007.10x = 4,060,307,765,811,056
  5. Step 5: Solve for x
    x = 4,060,307,765,811,056/66,544,007.10
  6. Step 6: Final answer
    x = 61,016,881.05

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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.