Home / 272,570,012.20-408,855,018.30-163,730,895.40

Finding the Fourth Proportional to 272,570,012.20, 408,855,018.30 and 163,730,895.40

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Solution

The fourth proportional to 272,570,012.20, 408,855,018.30 and 163,730,895.40 is: 245,596,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,570,012.20 : 408,855,018.30 = 163,730,895.40 : x
  2. Step 2: Convert to fraction form
    272,570,012.20/408,855,018.30 = 163,730,895.40/x
  3. Step 3: Cross multiply
    272,570,012.20x = 408,855,018.30 × 163,730,895.40
  4. Step 4: Simplify right side
    272,570,012.20x = 66,942,198,235,042,392
  5. Step 5: Solve for x
    x = 66,942,198,235,042,392/272,570,012.20
  6. Step 6: Final answer
    x = 245,596,343.10

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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.