Home / 95,558,110.66-142,639,555.67-81,998,393.55

Finding the Fourth Proportional to 95,558,110.66, 142,639,555.67 and 81,998,393.55

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Solution

The fourth proportional to 95,558,110.66, 142,639,555.67 and 81,998,393.55 is: 122,398,971.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,558,110.66 : 142,639,555.67 = 81,998,393.55 : x
  2. Step 2: Convert to fraction form
    95,558,110.66/142,639,555.67 = 81,998,393.55/x
  3. Step 3: Cross multiply
    95,558,110.66x = 142,639,555.67 × 81,998,393.55
  4. Step 4: Simplify right side
    95,558,110.66x = 11,696,214,420,988,396
  5. Step 5: Solve for x
    x = 11,696,214,420,988,396/95,558,110.66
  6. Step 6: Final answer
    x = 122,398,971.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.