Home / 258,833,243.26-357,198,689.90-153,077,314.65

Finding the Fourth Proportional to 258,833,243.26, 357,198,689.90 and 153,077,314.65

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Solution

The fourth proportional to 258,833,243.26, 357,198,689.90 and 153,077,314.65 is: 211,251,907.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,833,243.26 : 357,198,689.90 = 153,077,314.65 : x
  2. Step 2: Convert to fraction form
    258,833,243.26/357,198,689.90 = 153,077,314.65/x
  3. Step 3: Cross multiply
    258,833,243.26x = 357,198,689.90 × 153,077,314.65
  4. Step 4: Simplify right side
    258,833,243.26x = 54,679,016,245,433,272
  5. Step 5: Solve for x
    x = 54,679,016,245,433,272/258,833,243.26
  6. Step 6: Final answer
    x = 211,251,907.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.