Home / 49,572,078.40-74,358,117.60-20,850,644.80

Finding the Fourth Proportional to 49,572,078.40, 74,358,117.60 and 20,850,644.80

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Solution

The fourth proportional to 49,572,078.40, 74,358,117.60 and 20,850,644.80 is: 31,275,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,572,078.40 : 74,358,117.60 = 20,850,644.80 : x
  2. Step 2: Convert to fraction form
    49,572,078.40/74,358,117.60 = 20,850,644.80/x
  3. Step 3: Cross multiply
    49,572,078.40x = 74,358,117.60 × 20,850,644.80
  4. Step 4: Simplify right side
    49,572,078.40x = 1,550,414,698,074,228.50
  5. Step 5: Solve for x
    x = 1,550,414,698,074,228.50/49,572,078.40
  6. Step 6: Final answer
    x = 31,275,967.20

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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.