Home / 81,569,478-112,568,849.91-44,397,962.94

Finding the Fourth Proportional to 81,569,478, 112,568,849.91 and 44,397,962.94

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Solution

The fourth proportional to 81,569,478, 112,568,849.91 and 44,397,962.94 is: 61,270,805.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,569,478 : 112,568,849.91 = 44,397,962.94 : x
  2. Step 2: Convert to fraction form
    81,569,478/112,568,849.91 = 44,397,962.94/x
  3. Step 3: Cross multiply
    81,569,478x = 112,568,849.91 × 44,397,962.94
  4. Step 4: Simplify right side
    81,569,478x = 4,997,827,626,502,602
  5. Step 5: Solve for x
    x = 4,997,827,626,502,602/81,569,478
  6. Step 6: Final answer
    x = 61,270,805.56

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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.