Home / 136,495,761.22-188,343,080.71-77,750,962.12

Finding the Fourth Proportional to 136,495,761.22, 188,343,080.71 and 77,750,962.12

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Solution

The fourth proportional to 136,495,761.22, 188,343,080.71 and 77,750,962.12 is: 107,284,325.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,495,761.22 : 188,343,080.71 = 77,750,962.12 : x
  2. Step 2: Convert to fraction form
    136,495,761.22/188,343,080.71 = 77,750,962.12/x
  3. Step 3: Cross multiply
    136,495,761.22x = 188,343,080.71 × 77,750,962.12
  4. Step 4: Simplify right side
    136,495,761.22x = 14,643,855,733,847,314
  5. Step 5: Solve for x
    x = 14,643,855,733,847,314/136,495,761.22
  6. Step 6: Final answer
    x = 107,284,325.92

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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.