Home / 122,485,501.40-183,728,252.10-81,670,832.60

Finding the Fourth Proportional to 122,485,501.40, 183,728,252.10 and 81,670,832.60

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Solution

The fourth proportional to 122,485,501.40, 183,728,252.10 and 81,670,832.60 is: 122,506,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,485,501.40 : 183,728,252.10 = 81,670,832.60 : x
  2. Step 2: Convert to fraction form
    122,485,501.40/183,728,252.10 = 81,670,832.60/x
  3. Step 3: Cross multiply
    122,485,501.40x = 183,728,252.10 × 81,670,832.60
  4. Step 4: Simplify right side
    122,485,501.40x = 15,005,239,321,149,696
  5. Step 5: Solve for x
    x = 15,005,239,321,149,696/122,485,501.40
  6. Step 6: Final answer
    x = 122,506,248.90

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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.