Home / 161,282,665,166.40-222,570,099,721.85-89,024,743,649.45

Finding the Fourth Proportional to 161,282,665,166.40, 222,570,099,721.85 and 89,024,743,649.45

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Solution

The fourth proportional to 161,282,665,166.40, 222,570,099,721.85 and 89,024,743,649.45 is: 122,854,158,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,282,665,166.40 : 222,570,099,721.85 = 89,024,743,649.45 : x
  2. Step 2: Convert to fraction form
    161,282,665,166.40/222,570,099,721.85 = 89,024,743,649.45/x
  3. Step 3: Cross multiply
    161,282,665,166.40x = 222,570,099,721.85 × 89,024,743,649.45
  4. Step 4: Simplify right side
    161,282,665,166.40x = 19,814,246,071,770,663,616,512
  5. Step 5: Solve for x
    x = 19,814,246,071,770,663,616,512/161,282,665,166.40
  6. Step 6: Final answer
    x = 122,854,158,265.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.