Home / 82,219,554.81-123,319,732.10-33,033,417.02

Finding the Fourth Proportional to 82,219,554.81, 123,319,732.10 and 33,033,417.02

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Solution

The fourth proportional to 82,219,554.81, 123,319,732.10 and 33,033,417.02 is: 49,546,268.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,219,554.81 : 123,319,732.10 = 33,033,417.02 : x
  2. Step 2: Convert to fraction form
    82,219,554.81/123,319,732.10 = 33,033,417.02/x
  3. Step 3: Cross multiply
    82,219,554.81x = 123,319,732.10 × 33,033,417.02
  4. Step 4: Simplify right side
    82,219,554.81x = 4,073,672,136,472,214.50
  5. Step 5: Solve for x
    x = 4,073,672,136,472,214.50/82,219,554.81
  6. Step 6: Final answer
    x = 49,546,268.47

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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.