Home / 52,713,636.80-78,986,474.40-39,108,747.20

Finding the Fourth Proportional to 52,713,636.80, 78,986,474.40 and 39,108,747.20

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Solution

The fourth proportional to 52,713,636.80, 78,986,474.40 and 39,108,747.20 is: 58,600,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,713,636.80 : 78,986,474.40 = 39,108,747.20 : x
  2. Step 2: Convert to fraction form
    52,713,636.80/78,986,474.40 = 39,108,747.20/x
  3. Step 3: Cross multiply
    52,713,636.80x = 78,986,474.40 × 39,108,747.20
  4. Step 4: Simplify right side
    52,713,636.80x = 3,089,062,059,528,872
  5. Step 5: Solve for x
    x = 3,089,062,059,528,872/52,713,636.80
  6. Step 6: Final answer
    x = 58,600,814.65

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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.