Home / 100,294,467.90-150,442,860.14-30,265,303.28

Finding the Fourth Proportional to 100,294,467.90, 150,442,860.14 and 30,265,303.28

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Solution

The fourth proportional to 100,294,467.90, 150,442,860.14 and 30,265,303.28 is: 45,398,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,294,467.90 : 150,442,860.14 = 30,265,303.28 : x
  2. Step 2: Convert to fraction form
    100,294,467.90/150,442,860.14 = 30,265,303.28/x
  3. Step 3: Cross multiply
    100,294,467.90x = 150,442,860.14 × 30,265,303.28
  4. Step 4: Simplify right side
    100,294,467.90x = 4,553,198,788,296,397
  5. Step 5: Solve for x
    x = 4,553,198,788,296,397/100,294,467.90
  6. Step 6: Final answer
    x = 45,398,304.45

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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.