Home / 122,485,937.40-183,728,906.10-61,263,934.20

Finding the Fourth Proportional to 122,485,937.40, 183,728,906.10 and 61,263,934.20

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Solution

The fourth proportional to 122,485,937.40, 183,728,906.10 and 61,263,934.20 is: 91,895,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,485,937.40 : 183,728,906.10 = 61,263,934.20 : x
  2. Step 2: Convert to fraction form
    122,485,937.40/183,728,906.10 = 61,263,934.20/x
  3. Step 3: Cross multiply
    122,485,937.40x = 183,728,906.10 × 61,263,934.20
  4. Step 4: Simplify right side
    122,485,937.40x = 11,255,955,613,948,378
  5. Step 5: Solve for x
    x = 11,255,955,613,948,378/122,485,937.40
  6. Step 6: Final answer
    x = 91,895,901.30

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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.