Home / 48,871,574.90-73,333,934.40-20,120,616.80

Finding the Fourth Proportional to 48,871,574.90, 73,333,934.40 and 20,120,616.80

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Solution

The fourth proportional to 48,871,574.90, 73,333,934.40 and 20,120,616.80 is: 30,191,865.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,871,574.90 : 73,333,934.40 = 20,120,616.80 : x
  2. Step 2: Convert to fraction form
    48,871,574.90/73,333,934.40 = 20,120,616.80/x
  3. Step 3: Cross multiply
    48,871,574.90x = 73,333,934.40 × 20,120,616.80
  4. Step 4: Simplify right side
    48,871,574.90x = 1,475,523,992,498,738
  5. Step 5: Solve for x
    x = 1,475,523,992,498,738/48,871,574.90
  6. Step 6: Final answer
    x = 30,191,865.02

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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.