Home / 82,090,071.04-122,889,618.24-49,643,777.92

Finding the Fourth Proportional to 82,090,071.04, 122,889,618.24 and 49,643,777.92

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Solution

The fourth proportional to 82,090,071.04, 122,889,618.24 and 49,643,777.92 is: 74,317,208.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,090,071.04 : 122,889,618.24 = 49,643,777.92 : x
  2. Step 2: Convert to fraction form
    82,090,071.04/122,889,618.24 = 49,643,777.92/x
  3. Step 3: Cross multiply
    82,090,071.04x = 122,889,618.24 × 49,643,777.92
  4. Step 4: Simplify right side
    82,090,071.04x = 6,100,704,916,580,141
  5. Step 5: Solve for x
    x = 6,100,704,916,580,141/82,090,071.04
  6. Step 6: Final answer
    x = 74,317,208.39

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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.