Home / 410,071,136.24-565,899,667.80-221,899,431.80

Finding the Fourth Proportional to 410,071,136.24, 565,899,667.80 and 221,899,431.80

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Solution

The fourth proportional to 410,071,136.24, 565,899,667.80 and 221,899,431.80 is: 306,222,027.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,071,136.24 : 565,899,667.80 = 221,899,431.80 : x
  2. Step 2: Convert to fraction form
    410,071,136.24/565,899,667.80 = 221,899,431.80/x
  3. Step 3: Cross multiply
    410,071,136.24x = 565,899,667.80 × 221,899,431.80
  4. Step 4: Simplify right side
    410,071,136.24x = 125,572,814,740,628,752
  5. Step 5: Solve for x
    x = 125,572,814,740,628,752/410,071,136.24
  6. Step 6: Final answer
    x = 306,222,027.46

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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.