Home / 90,512,479-124,885,438.50-53,344,239.04

Finding the Fourth Proportional to 90,512,479, 124,885,438.50 and 53,344,239.04

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Solution

The fourth proportional to 90,512,479, 124,885,438.50 and 53,344,239.04 is: 73,602,212.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,512,479 : 124,885,438.50 = 53,344,239.04 : x
  2. Step 2: Convert to fraction form
    90,512,479/124,885,438.50 = 53,344,239.04/x
  3. Step 3: Cross multiply
    90,512,479x = 124,885,438.50 × 53,344,239.04
  4. Step 4: Simplify right side
    90,512,479x = 6,661,918,683,959,219
  5. Step 5: Solve for x
    x = 6,661,918,683,959,219/90,512,479
  6. Step 6: Final answer
    x = 73,602,212.18

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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.