Home / 138,050,826.84-190,514,127.42-76,175,151.12

Finding the Fourth Proportional to 138,050,826.84, 190,514,127.42 and 76,175,151.12

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Solution

The fourth proportional to 138,050,826.84, 190,514,127.42 and 76,175,151.12 is: 105,123,908.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,050,826.84 : 190,514,127.42 = 76,175,151.12 : x
  2. Step 2: Convert to fraction form
    138,050,826.84/190,514,127.42 = 76,175,151.12/x
  3. Step 3: Cross multiply
    138,050,826.84x = 190,514,127.42 × 76,175,151.12
  4. Step 4: Simplify right side
    138,050,826.84x = 14,512,442,446,713,436
  5. Step 5: Solve for x
    x = 14,512,442,446,713,436/138,050,826.84
  6. Step 6: Final answer
    x = 105,123,908.19

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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.