Home / 163,138,061.34-225,136,464.93-88,795,028.52

Finding the Fourth Proportional to 163,138,061.34, 225,136,464.93 and 88,795,028.52

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Solution

The fourth proportional to 163,138,061.34, 225,136,464.93 and 88,795,028.52 is: 122,540,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,138,061.34 : 225,136,464.93 = 88,795,028.52 : x
  2. Step 2: Convert to fraction form
    163,138,061.34/225,136,464.93 = 88,795,028.52/x
  3. Step 3: Cross multiply
    163,138,061.34x = 225,136,464.93 × 88,795,028.52
  4. Step 4: Simplify right side
    163,138,061.34x = 19,990,998,824,351,328
  5. Step 5: Solve for x
    x = 19,990,998,824,351,328/163,138,061.34
  6. Step 6: Final answer
    x = 122,540,372.62

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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.