Home / 67,095,022.50-100,631,322.60-18,577,780.69

Finding the Fourth Proportional to 67,095,022.50, 100,631,322.60 and 18,577,780.69

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Solution

The fourth proportional to 67,095,022.50, 100,631,322.60 and 18,577,780.69 is: 27,863,566.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,095,022.50 : 100,631,322.60 = 18,577,780.69 : x
  2. Step 2: Convert to fraction form
    67,095,022.50/100,631,322.60 = 18,577,780.69/x
  3. Step 3: Cross multiply
    67,095,022.50x = 100,631,322.60 × 18,577,780.69
  4. Step 4: Simplify right side
    67,095,022.50x = 1,869,506,641,807,440.50
  5. Step 5: Solve for x
    x = 1,869,506,641,807,440.50/67,095,022.50
  6. Step 6: Final answer
    x = 27,863,566.81

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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.