Home / 122,135,968.60-183,203,952.90-54,111,520.60

Finding the Fourth Proportional to 122,135,968.60, 183,203,952.90 and 54,111,520.60

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Solution

The fourth proportional to 122,135,968.60, 183,203,952.90 and 54,111,520.60 is: 81,167,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,135,968.60 : 183,203,952.90 = 54,111,520.60 : x
  2. Step 2: Convert to fraction form
    122,135,968.60/183,203,952.90 = 54,111,520.60/x
  3. Step 3: Cross multiply
    122,135,968.60x = 183,203,952.90 × 54,111,520.60
  4. Step 4: Simplify right side
    122,135,968.60x = 9,913,444,471,349,780
  5. Step 5: Solve for x
    x = 9,913,444,471,349,780/122,135,968.60
  6. Step 6: Final answer
    x = 81,167,280.90

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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.