Home / 213,048,009.30-319,572,013.95-204,687,254.10

Finding the Fourth Proportional to 213,048,009.30, 319,572,013.95 and 204,687,254.10

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Solution

The fourth proportional to 213,048,009.30, 319,572,013.95 and 204,687,254.10 is: 307,030,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,048,009.30 : 319,572,013.95 = 204,687,254.10 : x
  2. Step 2: Convert to fraction form
    213,048,009.30/319,572,013.95 = 204,687,254.10/x
  3. Step 3: Cross multiply
    213,048,009.30x = 319,572,013.95 × 204,687,254.10
  4. Step 4: Simplify right side
    213,048,009.30x = 65,412,318,022,632,392
  5. Step 5: Solve for x
    x = 65,412,318,022,632,392/213,048,009.30
  6. Step 6: Final answer
    x = 307,030,881.15

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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.