Home / 82,621,808.40-123,932,712.60-73,055,870.40

Finding the Fourth Proportional to 82,621,808.40, 123,932,712.60 and 73,055,870.40

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Solution

The fourth proportional to 82,621,808.40, 123,932,712.60 and 73,055,870.40 is: 109,583,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,621,808.40 : 123,932,712.60 = 73,055,870.40 : x
  2. Step 2: Convert to fraction form
    82,621,808.40/123,932,712.60 = 73,055,870.40/x
  3. Step 3: Cross multiply
    82,621,808.40x = 123,932,712.60 × 73,055,870.40
  4. Step 4: Simplify right side
    82,621,808.40x = 9,054,012,190,026,048
  5. Step 5: Solve for x
    x = 9,054,012,190,026,048/82,621,808.40
  6. Step 6: Final answer
    x = 109,583,805.60

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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.