Home / 52,352,019.20-78,528,028.80-20,439,315.20

Finding the Fourth Proportional to 52,352,019.20, 78,528,028.80 and 20,439,315.20

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Solution

The fourth proportional to 52,352,019.20, 78,528,028.80 and 20,439,315.20 is: 30,658,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,352,019.20 : 78,528,028.80 = 20,439,315.20 : x
  2. Step 2: Convert to fraction form
    52,352,019.20/78,528,028.80 = 20,439,315.20/x
  3. Step 3: Cross multiply
    52,352,019.20x = 78,528,028.80 × 20,439,315.20
  4. Step 4: Simplify right side
    52,352,019.20x = 1,605,059,132,677,877.75
  5. Step 5: Solve for x
    x = 1,605,059,132,677,877.75/52,352,019.20
  6. Step 6: Final answer
    x = 30,658,972.80

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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.