Home / 138,050,834.34-190,514,137.77-76,175,158.62

Finding the Fourth Proportional to 138,050,834.34, 190,514,137.77 and 76,175,158.62

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Solution

The fourth proportional to 138,050,834.34, 190,514,137.77 and 76,175,158.62 is: 105,123,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,050,834.34 : 190,514,137.77 = 76,175,158.62 : x
  2. Step 2: Convert to fraction form
    138,050,834.34/190,514,137.77 = 76,175,158.62/x
  3. Step 3: Cross multiply
    138,050,834.34x = 190,514,137.77 × 76,175,158.62
  4. Step 4: Simplify right side
    138,050,834.34x = 14,512,444,663,982,284
  5. Step 5: Solve for x
    x = 14,512,444,663,982,284/138,050,834.34
  6. Step 6: Final answer
    x = 105,123,918.54

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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.