Home / 54,282,667.20-81,424,000.80-38,126,860.80

Finding the Fourth Proportional to 54,282,667.20, 81,424,000.80 and 38,126,860.80

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Solution

The fourth proportional to 54,282,667.20, 81,424,000.80 and 38,126,860.80 is: 57,190,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,282,667.20 : 81,424,000.80 = 38,126,860.80 : x
  2. Step 2: Convert to fraction form
    54,282,667.20/81,424,000.80 = 38,126,860.80/x
  3. Step 3: Cross multiply
    54,282,667.20x = 81,424,000.80 × 38,126,860.80
  4. Step 4: Simplify right side
    54,282,667.20x = 3,104,441,544,280,688.50
  5. Step 5: Solve for x
    x = 3,104,441,544,280,688.50/54,282,667.20
  6. Step 6: Final answer
    x = 57,190,291.20

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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.