Home / 141,338,776.65-195,046,338.47-79,459,390.41

Finding the Fourth Proportional to 141,338,776.65, 195,046,338.47 and 79,459,390.41

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Solution

The fourth proportional to 141,338,776.65, 195,046,338.47 and 79,459,390.41 is: 109,653,299.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,338,776.65 : 195,046,338.47 = 79,459,390.41 : x
  2. Step 2: Convert to fraction form
    141,338,776.65/195,046,338.47 = 79,459,390.41/x
  3. Step 3: Cross multiply
    141,338,776.65x = 195,046,338.47 × 79,459,390.41
  4. Step 4: Simplify right side
    141,338,776.65x = 15,498,263,156,131,434
  5. Step 5: Solve for x
    x = 15,498,263,156,131,434/141,338,776.65
  6. Step 6: Final answer
    x = 109,653,299.14

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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.