Home / 141,338,777.40-195,046,339.50-79,459,391.16

Finding the Fourth Proportional to 141,338,777.40, 195,046,339.50 and 79,459,391.16

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Solution

The fourth proportional to 141,338,777.40, 195,046,339.50 and 79,459,391.16 is: 109,653,300.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,338,777.40 : 195,046,339.50 = 79,459,391.16 : x
  2. Step 2: Convert to fraction form
    141,338,777.40/195,046,339.50 = 79,459,391.16/x
  3. Step 3: Cross multiply
    141,338,777.40x = 195,046,339.50 × 79,459,391.16
  4. Step 4: Simplify right side
    141,338,777.40x = 15,498,263,384,656,658
  5. Step 5: Solve for x
    x = 15,498,263,384,656,658/141,338,777.40
  6. Step 6: Final answer
    x = 109,653,300.18

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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.