Home / 193,411,248.60-290,116,872.90-65,760,432.60

Finding the Fourth Proportional to 193,411,248.60, 290,116,872.90 and 65,760,432.60

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Solution

The fourth proportional to 193,411,248.60, 290,116,872.90 and 65,760,432.60 is: 98,640,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,411,248.60 : 290,116,872.90 = 65,760,432.60 : x
  2. Step 2: Convert to fraction form
    193,411,248.60/290,116,872.90 = 65,760,432.60/x
  3. Step 3: Cross multiply
    193,411,248.60x = 290,116,872.90 × 65,760,432.60
  4. Step 4: Simplify right side
    193,411,248.60x = 19,078,211,066,463,216
  5. Step 5: Solve for x
    x = 19,078,211,066,463,216/193,411,248.60
  6. Step 6: Final answer
    x = 98,640,648.90

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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.