Home / 213,036,153.60-319,554,230.40-76,703,822.40

Finding the Fourth Proportional to 213,036,153.60, 319,554,230.40 and 76,703,822.40

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Solution

The fourth proportional to 213,036,153.60, 319,554,230.40 and 76,703,822.40 is: 115,055,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,036,153.60 : 319,554,230.40 = 76,703,822.40 : x
  2. Step 2: Convert to fraction form
    213,036,153.60/319,554,230.40 = 76,703,822.40/x
  3. Step 3: Cross multiply
    213,036,153.60x = 319,554,230.40 × 76,703,822.40
  4. Step 4: Simplify right side
    213,036,153.60x = 24,511,030,935,770,280
  5. Step 5: Solve for x
    x = 24,511,030,935,770,280/213,036,153.60
  6. Step 6: Final answer
    x = 115,055,733.60

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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.