Home / 89,542,904.30-134,314,356.45-82,376,542.70

Finding the Fourth Proportional to 89,542,904.30, 134,314,356.45 and 82,376,542.70

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Solution

The fourth proportional to 89,542,904.30, 134,314,356.45 and 82,376,542.70 is: 123,564,814.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,542,904.30 : 134,314,356.45 = 82,376,542.70 : x
  2. Step 2: Convert to fraction form
    89,542,904.30/134,314,356.45 = 82,376,542.70/x
  3. Step 3: Cross multiply
    89,542,904.30x = 134,314,356.45 × 82,376,542.70
  4. Step 4: Simplify right side
    89,542,904.30x = 11,064,352,319,326,444
  5. Step 5: Solve for x
    x = 11,064,352,319,326,444/89,542,904.30
  6. Step 6: Final answer
    x = 123,564,814.05

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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.