Home / 77,244,754.11-115,849,169.51-28,745,448.45

Finding the Fourth Proportional to 77,244,754.11, 115,849,169.51 and 28,745,448.45

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Solution

The fourth proportional to 77,244,754.11, 115,849,169.51 and 28,745,448.45 is: 43,111,488.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,244,754.11 : 115,849,169.51 = 28,745,448.45 : x
  2. Step 2: Convert to fraction form
    77,244,754.11/115,849,169.51 = 28,745,448.45/x
  3. Step 3: Cross multiply
    77,244,754.11x = 115,849,169.51 × 28,745,448.45
  4. Step 4: Simplify right side
    77,244,754.11x = 3,330,136,329,981,289.50
  5. Step 5: Solve for x
    x = 3,330,136,329,981,289.50/77,244,754.11
  6. Step 6: Final answer
    x = 43,111,488.52

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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.