Home / 193,411,261.60-290,116,892.40-65,760,445.60

Finding the Fourth Proportional to 193,411,261.60, 290,116,892.40 and 65,760,445.60

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Solution

The fourth proportional to 193,411,261.60, 290,116,892.40 and 65,760,445.60 is: 98,640,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,411,261.60 : 290,116,892.40 = 65,760,445.60 : x
  2. Step 2: Convert to fraction form
    193,411,261.60/290,116,892.40 = 65,760,445.60/x
  3. Step 3: Cross multiply
    193,411,261.60x = 290,116,892.40 × 65,760,445.60
  4. Step 4: Simplify right side
    193,411,261.60x = 19,078,216,120,311,252
  5. Step 5: Solve for x
    x = 19,078,216,120,311,252/193,411,261.60
  6. Step 6: Final answer
    x = 98,640,668.40

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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.