Home / 278,615,018.29-384,465,871.15-164,024,217.24

Finding the Fourth Proportional to 278,615,018.29, 384,465,871.15 and 164,024,217.24

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Solution

The fourth proportional to 278,615,018.29, 384,465,871.15 and 164,024,217.24 is: 226,339,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,615,018.29 : 384,465,871.15 = 164,024,217.24 : x
  2. Step 2: Convert to fraction form
    278,615,018.29/384,465,871.15 = 164,024,217.24/x
  3. Step 3: Cross multiply
    278,615,018.29x = 384,465,871.15 × 164,024,217.24
  4. Step 4: Simplify right side
    278,615,018.29x = 63,061,713,570,873,448
  5. Step 5: Solve for x
    x = 63,061,713,570,873,448/278,615,018.29
  6. Step 6: Final answer
    x = 226,339,965.30

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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.