Home / 123,524,963.60-170,484,893.16-68,538,534.80

Finding the Fourth Proportional to 123,524,963.60, 170,484,893.16 and 68,538,534.80

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Solution

The fourth proportional to 123,524,963.60, 170,484,893.16 and 68,538,534.80 is: 94,594,521.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,524,963.60 : 170,484,893.16 = 68,538,534.80 : x
  2. Step 2: Convert to fraction form
    123,524,963.60/170,484,893.16 = 68,538,534.80/x
  3. Step 3: Cross multiply
    123,524,963.60x = 170,484,893.16 × 68,538,534.80
  4. Step 4: Simplify right side
    123,524,963.60x = 11,684,784,782,720,942
  5. Step 5: Solve for x
    x = 11,684,784,782,720,942/123,524,963.60
  6. Step 6: Final answer
    x = 94,594,521.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.