Home / 72,321,436.98-108,484,405.22-34,411,605.32

Finding the Fourth Proportional to 72,321,436.98, 108,484,405.22 and 34,411,605.32

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Solution

The fourth proportional to 72,321,436.98, 108,484,405.22 and 34,411,605.32 is: 51,618,478.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,321,436.98 : 108,484,405.22 = 34,411,605.32 : x
  2. Step 2: Convert to fraction form
    72,321,436.98/108,484,405.22 = 34,411,605.32/x
  3. Step 3: Cross multiply
    72,321,436.98x = 108,484,405.22 × 34,411,605.32
  4. Step 4: Simplify right side
    72,321,436.98x = 3,733,122,535,091,107.50
  5. Step 5: Solve for x
    x = 3,733,122,535,091,107.50/72,321,436.98
  6. Step 6: Final answer
    x = 51,618,478.43

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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.