Home / 196,992,052.30-295,488,078.45-81,938,356.30

Finding the Fourth Proportional to 196,992,052.30, 295,488,078.45 and 81,938,356.30

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Solution

The fourth proportional to 196,992,052.30, 295,488,078.45 and 81,938,356.30 is: 122,907,534.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,052.30 : 295,488,078.45 = 81,938,356.30 : x
  2. Step 2: Convert to fraction form
    196,992,052.30/295,488,078.45 = 81,938,356.30/x
  3. Step 3: Cross multiply
    196,992,052.30x = 295,488,078.45 × 81,938,356.30
  4. Step 4: Simplify right side
    196,992,052.30x = 24,211,807,454,438,448
  5. Step 5: Solve for x
    x = 24,211,807,454,438,448/196,992,052.30
  6. Step 6: Final answer
    x = 122,907,534.45

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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.