Home / 79,970,434.13-119,955,651.21-19,386,160.13

Finding the Fourth Proportional to 79,970,434.13, 119,955,651.21 and 19,386,160.13

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Solution

The fourth proportional to 79,970,434.13, 119,955,651.21 and 19,386,160.13 is: 29,079,240.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,970,434.13 : 119,955,651.21 = 19,386,160.13 : x
  2. Step 2: Convert to fraction form
    79,970,434.13/119,955,651.21 = 19,386,160.13/x
  3. Step 3: Cross multiply
    79,970,434.13x = 119,955,651.21 × 19,386,160.13
  4. Step 4: Simplify right side
    79,970,434.13x = 2,325,479,462,255,710
  5. Step 5: Solve for x
    x = 2,325,479,462,255,710/79,970,434.13
  6. Step 6: Final answer
    x = 29,079,240.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.