Home / 258,833,445.77-357,198,969.92-153,077,517.15

Finding the Fourth Proportional to 258,833,445.77, 357,198,969.92 and 153,077,517.15

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Solution

The fourth proportional to 258,833,445.77, 357,198,969.92 and 153,077,517.15 is: 211,252,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,833,445.77 : 357,198,969.92 = 153,077,517.15 : x
  2. Step 2: Convert to fraction form
    258,833,445.77/357,198,969.92 = 153,077,517.15/x
  3. Step 3: Cross multiply
    258,833,445.77x = 357,198,969.92 × 153,077,517.15
  4. Step 4: Simplify right side
    258,833,445.77x = 54,679,131,443,125,752
  5. Step 5: Solve for x
    x = 54,679,131,443,125,752/258,833,445.77
  6. Step 6: Final answer
    x = 211,252,186.83

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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.