Home / 153,063,528.72-229,474,045.80-76,347,067.92

Finding the Fourth Proportional to 153,063,528.72, 229,474,045.80 and 76,347,067.92

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Solution

The fourth proportional to 153,063,528.72, 229,474,045.80 and 76,347,067.92 is: 114,460,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,063,528.72 : 229,474,045.80 = 76,347,067.92 : x
  2. Step 2: Convert to fraction form
    153,063,528.72/229,474,045.80 = 76,347,067.92/x
  3. Step 3: Cross multiply
    153,063,528.72x = 229,474,045.80 × 76,347,067.92
  4. Step 4: Simplify right side
    153,063,528.72x = 17,519,670,560,569,792
  5. Step 5: Solve for x
    x = 17,519,670,560,569,792/153,063,528.72
  6. Step 6: Final answer
    x = 114,460,124.54

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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.