Home / 62,869,590.72-86,713,267.92-55,514,447.28

Finding the Fourth Proportional to 62,869,590.72, 86,713,267.92 and 55,514,447.28

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Solution

The fourth proportional to 62,869,590.72, 86,713,267.92 and 55,514,447.28 is: 76,568,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,869,590.72 : 86,713,267.92 = 55,514,447.28 : x
  2. Step 2: Convert to fraction form
    62,869,590.72/86,713,267.92 = 55,514,447.28/x
  3. Step 3: Cross multiply
    62,869,590.72x = 86,713,267.92 × 55,514,447.28
  4. Step 4: Simplify right side
    62,869,590.72x = 4,813,839,140,421,355
  5. Step 5: Solve for x
    x = 4,813,839,140,421,355/62,869,590.72
  6. Step 6: Final answer
    x = 76,568,641.30

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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.