Home / 60,407,536.71-90,614,886.05-18,916,173.21

Finding the Fourth Proportional to 60,407,536.71, 90,614,886.05 and 18,916,173.21

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Solution

The fourth proportional to 60,407,536.71, 90,614,886.05 and 18,916,173.21 is: 28,375,381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,407,536.71 : 90,614,886.05 = 18,916,173.21 : x
  2. Step 2: Convert to fraction form
    60,407,536.71/90,614,886.05 = 18,916,173.21/x
  3. Step 3: Cross multiply
    60,407,536.71x = 90,614,886.05 × 18,916,173.21
  4. Step 4: Simplify right side
    60,407,536.71x = 1,714,086,879,926,212.75
  5. Step 5: Solve for x
    x = 1,714,086,879,926,212.75/60,407,536.71
  6. Step 6: Final answer
    x = 28,375,381.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.