Home / 154,034,866.42-231,127,033.66-67,762,063.30

Finding the Fourth Proportional to 154,034,866.42, 231,127,033.66 and 67,762,063.30

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Solution

The fourth proportional to 154,034,866.42, 231,127,033.66 and 67,762,063.30 is: 101,675,971.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,034,866.42 : 231,127,033.66 = 67,762,063.30 : x
  2. Step 2: Convert to fraction form
    154,034,866.42/231,127,033.66 = 67,762,063.30/x
  3. Step 3: Cross multiply
    154,034,866.42x = 231,127,033.66 × 67,762,063.30
  4. Step 4: Simplify right side
    154,034,866.42x = 15,661,644,685,210,150
  5. Step 5: Solve for x
    x = 15,661,644,685,210,150/154,034,866.42
  6. Step 6: Final answer
    x = 101,675,971.48

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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.