Home / 49,478,320.20-74,246,421.60-20,722,040.40

Finding the Fourth Proportional to 49,478,320.20, 74,246,421.60 and 20,722,040.40

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Solution

The fourth proportional to 49,478,320.20, 74,246,421.60 and 20,722,040.40 is: 31,095,181.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,478,320.20 : 74,246,421.60 = 20,722,040.40 : x
  2. Step 2: Convert to fraction form
    49,478,320.20/74,246,421.60 = 20,722,040.40/x
  3. Step 3: Cross multiply
    49,478,320.20x = 74,246,421.60 × 20,722,040.40
  4. Step 4: Simplify right side
    49,478,320.20x = 1,538,537,347,950,632.50
  5. Step 5: Solve for x
    x = 1,538,537,347,950,632.50/49,478,320.20
  6. Step 6: Final answer
    x = 31,095,181.52

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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.