Home / 140,448,382.92-210,442,516.74-74,799,820.62

Finding the Fourth Proportional to 140,448,382.92, 210,442,516.74 and 74,799,820.62

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Solution

The fourth proportional to 140,448,382.92, 210,442,516.74 and 74,799,820.62 is: 112,077,207.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,448,382.92 : 210,442,516.74 = 74,799,820.62 : x
  2. Step 2: Convert to fraction form
    140,448,382.92/210,442,516.74 = 74,799,820.62/x
  3. Step 3: Cross multiply
    140,448,382.92x = 210,442,516.74 × 74,799,820.62
  4. Step 4: Simplify right side
    140,448,382.92x = 15,741,062,502,973,348
  5. Step 5: Solve for x
    x = 15,741,062,502,973,348/140,448,382.92
  6. Step 6: Final answer
    x = 112,077,207.13

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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.