Home / 81,648,345,656.20-122,375,772,602.70-34,484,728,376.20

Finding the Fourth Proportional to 81,648,345,656.20, 122,375,772,602.70 and 34,484,728,376.20

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Solution

The fourth proportional to 81,648,345,656.20, 122,375,772,602.70 and 34,484,728,376.20 is: 51,686,231,289.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,648,345,656.20 : 122,375,772,602.70 = 34,484,728,376.20 : x
  2. Step 2: Convert to fraction form
    81,648,345,656.20/122,375,772,602.70 = 34,484,728,376.20/x
  3. Step 3: Cross multiply
    81,648,345,656.20x = 122,375,772,602.70 × 34,484,728,376.20
  4. Step 4: Simplify right side
    81,648,345,656.20x = 4,220,095,278,031,726,706,688
  5. Step 5: Solve for x
    x = 4,220,095,278,031,726,706,688/81,648,345,656.20
  6. Step 6: Final answer
    x = 51,686,231,289.99

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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.