Home / 216,937,531.10-299,392,255.94-122,868,411.75

Finding the Fourth Proportional to 216,937,531.10, 299,392,255.94 and 122,868,411.75

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Solution

The fourth proportional to 216,937,531.10, 299,392,255.94 and 122,868,411.75 is: 169,568,865.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,937,531.10 : 299,392,255.94 = 122,868,411.75 : x
  2. Step 2: Convert to fraction form
    216,937,531.10/299,392,255.94 = 122,868,411.75/x
  3. Step 3: Cross multiply
    216,937,531.10x = 299,392,255.94 × 122,868,411.75
  4. Step 4: Simplify right side
    216,937,531.10x = 36,785,850,976,833,424
  5. Step 5: Solve for x
    x = 36,785,850,976,833,424/216,937,531.10
  6. Step 6: Final answer
    x = 169,568,865.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.