Home / 245,718,178.51-368,629,032.26-79,708,721

Finding the Fourth Proportional to 245,718,178.51, 368,629,032.26 and 79,708,721

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Solution

The fourth proportional to 245,718,178.51, 368,629,032.26 and 79,708,721 is: 119,579,873.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,718,178.51 : 368,629,032.26 = 79,708,721 : x
  2. Step 2: Convert to fraction form
    245,718,178.51/368,629,032.26 = 79,708,721/x
  3. Step 3: Cross multiply
    245,718,178.51x = 368,629,032.26 × 79,708,721
  4. Step 4: Simplify right side
    245,718,178.51x = 29,382,948,684,912,340
  5. Step 5: Solve for x
    x = 29,382,948,684,912,340/245,718,178.51
  6. Step 6: Final answer
    x = 119,579,873.43

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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.