Home / 77,221,221,099.93-115,828,678,948.49-26,868,179,753.37

Finding the Fourth Proportional to 77,221,221,099.93, 115,828,678,948.49 and 26,868,179,753.37

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Solution

The fourth proportional to 77,221,221,099.93, 115,828,678,948.49 and 26,868,179,753.37 is: 40,301,172,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,221,221,099.93 : 115,828,678,948.49 = 26,868,179,753.37 : x
  2. Step 2: Convert to fraction form
    77,221,221,099.93/115,828,678,948.49 = 26,868,179,753.37/x
  3. Step 3: Cross multiply
    77,221,221,099.93x = 115,828,678,948.49 × 26,868,179,753.37
  4. Step 4: Simplify right side
    77,221,221,099.93x = 3,112,105,766,583,412,981,760
  5. Step 5: Solve for x
    x = 3,112,105,766,583,412,981,760/77,221,221,099.93
  6. Step 6: Final answer
    x = 40,301,172,686.15

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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.