Home / 248,146,000.20-372,219,000.30-209,403,951.30

Finding the Fourth Proportional to 248,146,000.20, 372,219,000.30 and 209,403,951.30

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Solution

The fourth proportional to 248,146,000.20, 372,219,000.30 and 209,403,951.30 is: 314,105,926.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,146,000.20 : 372,219,000.30 = 209,403,951.30 : x
  2. Step 2: Convert to fraction form
    248,146,000.20/372,219,000.30 = 209,403,951.30/x
  3. Step 3: Cross multiply
    248,146,000.20x = 372,219,000.30 × 209,403,951.30
  4. Step 4: Simplify right side
    248,146,000.20x = 77,944,129,411,755,888
  5. Step 5: Solve for x
    x = 77,944,129,411,755,888/248,146,000.20
  6. Step 6: Final answer
    x = 314,105,926.95

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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.