Home / 53,120,780.31-79,704,347.19-18,601,957.33

Finding the Fourth Proportional to 53,120,780.31, 79,704,347.19 and 18,601,957.33

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Solution

The fourth proportional to 53,120,780.31, 79,704,347.19 and 18,601,957.33 is: 27,911,052.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,120,780.31 : 79,704,347.19 = 18,601,957.33 : x
  2. Step 2: Convert to fraction form
    53,120,780.31/79,704,347.19 = 18,601,957.33/x
  3. Step 3: Cross multiply
    53,120,780.31x = 79,704,347.19 × 18,601,957.33
  4. Step 4: Simplify right side
    53,120,780.31x = 1,482,656,865,443,885.25
  5. Step 5: Solve for x
    x = 1,482,656,865,443,885.25/53,120,780.31
  6. Step 6: Final answer
    x = 27,911,052.07

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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.