Home / 81,648,345,643.20-122,375,772,583.20-34,484,728,363.20

Finding the Fourth Proportional to 81,648,345,643.20, 122,375,772,583.20 and 34,484,728,363.20

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Solution

The fourth proportional to 81,648,345,643.20, 122,375,772,583.20 and 34,484,728,363.20 is: 51,686,231,270.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,648,345,643.20 : 122,375,772,583.20 = 34,484,728,363.20 : x
  2. Step 2: Convert to fraction form
    81,648,345,643.20/122,375,772,583.20 = 34,484,728,363.20/x
  3. Step 3: Cross multiply
    81,648,345,643.20x = 122,375,772,583.20 × 34,484,728,363.20
  4. Step 4: Simplify right side
    81,648,345,643.20x = 4,220,095,275,768,389,566,464
  5. Step 5: Solve for x
    x = 4,220,095,275,768,389,566,464/81,648,345,643.20
  6. Step 6: Final answer
    x = 51,686,231,270.50

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1.5x scale

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.