Home / 272,617,262.20-408,925,893.30-163,778,145.40

Finding the Fourth Proportional to 272,617,262.20, 408,925,893.30 and 163,778,145.40

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Solution

The fourth proportional to 272,617,262.20, 408,925,893.30 and 163,778,145.40 is: 245,667,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,617,262.20 : 408,925,893.30 = 163,778,145.40 : x
  2. Step 2: Convert to fraction form
    272,617,262.20/408,925,893.30 = 163,778,145.40/x
  3. Step 3: Cross multiply
    272,617,262.20x = 408,925,893.30 × 163,778,145.40
  4. Step 4: Simplify right side
    272,617,262.20x = 66,973,124,410,712,288
  5. Step 5: Solve for x
    x = 66,973,124,410,712,288/272,617,262.20
  6. Step 6: Final answer
    x = 245,667,218.10

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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.