Home / 63,192,853.98-87,200,019.72-39,663,869.58

Finding the Fourth Proportional to 63,192,853.98, 87,200,019.72 and 39,663,869.58

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Solution

The fourth proportional to 63,192,853.98, 87,200,019.72 and 39,663,869.58 is: 54,732,299.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,192,853.98 : 87,200,019.72 = 39,663,869.58 : x
  2. Step 2: Convert to fraction form
    63,192,853.98/87,200,019.72 = 39,663,869.58/x
  3. Step 3: Cross multiply
    63,192,853.98x = 87,200,019.72 × 39,663,869.58
  4. Step 4: Simplify right side
    63,192,853.98x = 3,458,690,209,547,508
  5. Step 5: Solve for x
    x = 3,458,690,209,547,508/63,192,853.98
  6. Step 6: Final answer
    x = 54,732,299.49

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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.