Home / 213,133,040.10-319,699,560.15-213,133,040.10

Finding the Fourth Proportional to 213,133,040.10, 319,699,560.15 and 213,133,040.10

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Solution

The fourth proportional to 213,133,040.10, 319,699,560.15 and 213,133,040.10 is: 319,699,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,133,040.10 : 319,699,560.15 = 213,133,040.10 : x
  2. Step 2: Convert to fraction form
    213,133,040.10/319,699,560.15 = 213,133,040.10/x
  3. Step 3: Cross multiply
    213,133,040.10x = 319,699,560.15 × 213,133,040.10
  4. Step 4: Simplify right side
    213,133,040.10x = 68,138,539,173,402,304
  5. Step 5: Solve for x
    x = 68,138,539,173,402,304/213,133,040.10
  6. Step 6: Final answer
    x = 319,699,560.15

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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.