Home / 52,503,973.20-78,732,340.20-20,145,121.20

Finding the Fourth Proportional to 52,503,973.20, 78,732,340.20 and 20,145,121.20

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Solution

The fourth proportional to 52,503,973.20, 78,732,340.20 and 20,145,121.20 is: 30,208,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,503,973.20 : 78,732,340.20 = 20,145,121.20 : x
  2. Step 2: Convert to fraction form
    52,503,973.20/78,732,340.20 = 20,145,121.20/x
  3. Step 3: Cross multiply
    52,503,973.20x = 78,732,340.20 × 20,145,121.20
  4. Step 4: Simplify right side
    52,503,973.20x = 1,586,072,535,688,632.25
  5. Step 5: Solve for x
    x = 1,586,072,535,688,632.25/52,503,973.20
  6. Step 6: Final answer
    x = 30,208,619.25

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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.