Home / 272,570,230.20-408,855,345.30-163,731,113.40

Finding the Fourth Proportional to 272,570,230.20, 408,855,345.30 and 163,731,113.40

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Solution

The fourth proportional to 272,570,230.20, 408,855,345.30 and 163,731,113.40 is: 245,596,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,570,230.20 : 408,855,345.30 = 163,731,113.40 : x
  2. Step 2: Convert to fraction form
    272,570,230.20/408,855,345.30 = 163,731,113.40/x
  3. Step 3: Cross multiply
    272,570,230.20x = 408,855,345.30 × 163,731,113.40
  4. Step 4: Simplify right side
    272,570,230.20x = 66,942,340,905,510,464
  5. Step 5: Solve for x
    x = 66,942,340,905,510,464/272,570,230.20
  6. Step 6: Final answer
    x = 245,596,670.10

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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.