Home / 122,485,501.90-183,728,252.85-121,635,196.30

Finding the Fourth Proportional to 122,485,501.90, 183,728,252.85 and 121,635,196.30

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Solution

The fourth proportional to 122,485,501.90, 183,728,252.85 and 121,635,196.30 is: 182,452,794.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,485,501.90 : 183,728,252.85 = 121,635,196.30 : x
  2. Step 2: Convert to fraction form
    122,485,501.90/183,728,252.85 = 121,635,196.30/x
  3. Step 3: Cross multiply
    122,485,501.90x = 183,728,252.85 × 121,635,196.30
  4. Step 4: Simplify right side
    122,485,501.90x = 22,347,822,101,265,784
  5. Step 5: Solve for x
    x = 22,347,822,101,265,784/122,485,501.90
  6. Step 6: Final answer
    x = 182,452,794.45

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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.