Home / 115,988,962.83-160,070,514.73-71,950,150.97

Finding the Fourth Proportional to 115,988,962.83, 160,070,514.73 and 71,950,150.97

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Solution

The fourth proportional to 115,988,962.83, 160,070,514.73 and 71,950,150.97 is: 99,294,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,988,962.83 : 160,070,514.73 = 71,950,150.97 : x
  2. Step 2: Convert to fraction form
    115,988,962.83/160,070,514.73 = 71,950,150.97/x
  3. Step 3: Cross multiply
    115,988,962.83x = 160,070,514.73 × 71,950,150.97
  4. Step 4: Simplify right side
    115,988,962.83x = 11,517,097,700,137,330
  5. Step 5: Solve for x
    x = 11,517,097,700,137,330/115,988,962.83
  6. Step 6: Final answer
    x = 99,294,772.70

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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.