Home / 84,552,007.20-126,828,010.80-30,692,320.80

Finding the Fourth Proportional to 84,552,007.20, 126,828,010.80 and 30,692,320.80

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Solution

The fourth proportional to 84,552,007.20, 126,828,010.80 and 30,692,320.80 is: 46,038,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,552,007.20 : 126,828,010.80 = 30,692,320.80 : x
  2. Step 2: Convert to fraction form
    84,552,007.20/126,828,010.80 = 30,692,320.80/x
  3. Step 3: Cross multiply
    84,552,007.20x = 126,828,010.80 × 30,692,320.80
  4. Step 4: Simplify right side
    84,552,007.20x = 3,892,645,993,899,464.50
  5. Step 5: Solve for x
    x = 3,892,645,993,899,464.50/84,552,007.20
  6. Step 6: Final answer
    x = 46,038,481.20

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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.