Home / 213,048,007.30-319,572,010.95-204,687,252.10

Finding the Fourth Proportional to 213,048,007.30, 319,572,010.95 and 204,687,252.10

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Solution

The fourth proportional to 213,048,007.30, 319,572,010.95 and 204,687,252.10 is: 307,030,878.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,048,007.30 : 319,572,010.95 = 204,687,252.10 : x
  2. Step 2: Convert to fraction form
    213,048,007.30/319,572,010.95 = 204,687,252.10/x
  3. Step 3: Cross multiply
    213,048,007.30x = 319,572,010.95 × 204,687,252.10
  4. Step 4: Simplify right side
    213,048,007.30x = 65,412,316,769,426,608
  5. Step 5: Solve for x
    x = 65,412,316,769,426,608/213,048,007.30
  6. Step 6: Final answer
    x = 307,030,878.15

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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.