Home / 52,352,047.20-78,528,070.80-20,439,343.20

Finding the Fourth Proportional to 52,352,047.20, 78,528,070.80 and 20,439,343.20

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Solution

The fourth proportional to 52,352,047.20, 78,528,070.80 and 20,439,343.20 is: 30,659,014.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,352,047.20 : 78,528,070.80 = 20,439,343.20 : x
  2. Step 2: Convert to fraction form
    52,352,047.20/78,528,070.80 = 20,439,343.20/x
  3. Step 3: Cross multiply
    52,352,047.20x = 78,528,070.80 × 20,439,343.20
  4. Step 4: Simplify right side
    52,352,047.20x = 1,605,062,189,915,098.50
  5. Step 5: Solve for x
    x = 1,605,062,189,915,098.50/52,352,047.20
  6. Step 6: Final answer
    x = 30,659,014.80

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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.