Home / 82,396,220.40-113,801,155.09-54,264,349.37

Finding the Fourth Proportional to 82,396,220.40, 113,801,155.09 and 54,264,349.37

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Solution

The fourth proportional to 82,396,220.40, 113,801,155.09 and 54,264,349.37 is: 74,946,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,396,220.40 : 113,801,155.09 = 54,264,349.37 : x
  2. Step 2: Convert to fraction form
    82,396,220.40/113,801,155.09 = 54,264,349.37/x
  3. Step 3: Cross multiply
    82,396,220.40x = 113,801,155.09 × 54,264,349.37
  4. Step 4: Simplify right side
    82,396,220.40x = 6,175,345,638,377,653
  5. Step 5: Solve for x
    x = 6,175,345,638,377,653/82,396,220.40
  6. Step 6: Final answer
    x = 74,946,952.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.