Home / 141,338,778.90-195,046,341.57-79,459,392.66

Finding the Fourth Proportional to 141,338,778.90, 195,046,341.57 and 79,459,392.66

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Solution

The fourth proportional to 141,338,778.90, 195,046,341.57 and 79,459,392.66 is: 109,653,302.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,338,778.90 : 195,046,341.57 = 79,459,392.66 : x
  2. Step 2: Convert to fraction form
    141,338,778.90/195,046,341.57 = 79,459,392.66/x
  3. Step 3: Cross multiply
    141,338,778.90x = 195,046,341.57 × 79,459,392.66
  4. Step 4: Simplify right side
    141,338,778.90x = 15,498,263,841,707,110
  5. Step 5: Solve for x
    x = 15,498,263,841,707,110/141,338,778.90
  6. Step 6: Final answer
    x = 109,653,302.25

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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.