Home / 193,536,018.60-290,304,027.90-85,830,642.60

Finding the Fourth Proportional to 193,536,018.60, 290,304,027.90 and 85,830,642.60

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Solution

The fourth proportional to 193,536,018.60, 290,304,027.90 and 85,830,642.60 is: 128,745,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,536,018.60 : 290,304,027.90 = 85,830,642.60 : x
  2. Step 2: Convert to fraction form
    193,536,018.60/290,304,027.90 = 85,830,642.60/x
  3. Step 3: Cross multiply
    193,536,018.60x = 290,304,027.90 × 85,830,642.60
  4. Step 4: Simplify right side
    193,536,018.60x = 24,916,981,264,025,324
  5. Step 5: Solve for x
    x = 24,916,981,264,025,324/193,536,018.60
  6. Step 6: Final answer
    x = 128,745,963.90

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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.