Home / 80,432,673.45-120,554,531.78-37,210,576.92

Finding the Fourth Proportional to 80,432,673.45, 120,554,531.78 and 37,210,576.92

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Solution

The fourth proportional to 80,432,673.45, 120,554,531.78 and 37,210,576.92 is: 55,772,156.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,432,673.45 : 120,554,531.78 = 37,210,576.92 : x
  2. Step 2: Convert to fraction form
    80,432,673.45/120,554,531.78 = 37,210,576.92/x
  3. Step 3: Cross multiply
    80,432,673.45x = 120,554,531.78 × 37,210,576.92
  4. Step 4: Simplify right side
    80,432,673.45x = 4,485,903,677,668,222
  5. Step 5: Solve for x
    x = 4,485,903,677,668,222/80,432,673.45
  6. Step 6: Final answer
    x = 55,772,156.83

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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.