Home / 278,098,646.23-383,601,565.93-164,988,057.64

Finding the Fourth Proportional to 278,098,646.23, 383,601,565.93 and 164,988,057.64

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Solution

The fourth proportional to 278,098,646.23, 383,601,565.93 and 164,988,057.64 is: 227,579,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,098,646.23 : 383,601,565.93 = 164,988,057.64 : x
  2. Step 2: Convert to fraction form
    278,098,646.23/383,601,565.93 = 164,988,057.64/x
  3. Step 3: Cross multiply
    278,098,646.23x = 383,601,565.93 × 164,988,057.64
  4. Step 4: Simplify right side
    278,098,646.23x = 63,289,677,269,101,336
  5. Step 5: Solve for x
    x = 63,289,677,269,101,336/278,098,646.23
  6. Step 6: Final answer
    x = 227,579,954.55

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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.