Home / 140,448,384.92-210,442,519.74-74,799,822.62

Finding the Fourth Proportional to 140,448,384.92, 210,442,519.74 and 74,799,822.62

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Solution

The fourth proportional to 140,448,384.92, 210,442,519.74 and 74,799,822.62 is: 112,077,210.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,448,384.92 : 210,442,519.74 = 74,799,822.62 : x
  2. Step 2: Convert to fraction form
    140,448,384.92/210,442,519.74 = 74,799,822.62/x
  3. Step 3: Cross multiply
    140,448,384.92x = 210,442,519.74 × 74,799,822.62
  4. Step 4: Simplify right side
    140,448,384.92x = 15,741,063,148,257,850
  5. Step 5: Solve for x
    x = 15,741,063,148,257,850/140,448,384.92
  6. Step 6: Final answer
    x = 112,077,210.12

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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.