Home / 196,992,056.30-295,488,084.45-81,938,360.30

Finding the Fourth Proportional to 196,992,056.30, 295,488,084.45 and 81,938,360.30

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Solution

The fourth proportional to 196,992,056.30, 295,488,084.45 and 81,938,360.30 is: 122,907,540.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,056.30 : 295,488,084.45 = 81,938,360.30 : x
  2. Step 2: Convert to fraction form
    196,992,056.30/295,488,084.45 = 81,938,360.30/x
  3. Step 3: Cross multiply
    196,992,056.30x = 295,488,084.45 × 81,938,360.30
  4. Step 4: Simplify right side
    196,992,056.30x = 24,211,809,128,020,924
  5. Step 5: Solve for x
    x = 24,211,809,128,020,924/196,992,056.30
  6. Step 6: Final answer
    x = 122,907,540.45

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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.