Home / 109,157,029.58-163,735,544.36-100,228,820.78

Finding the Fourth Proportional to 109,157,029.58, 163,735,544.36 and 100,228,820.78

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Solution

The fourth proportional to 109,157,029.58, 163,735,544.36 and 100,228,820.78 is: 150,343,231.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,157,029.58 : 163,735,544.36 = 100,228,820.78 : x
  2. Step 2: Convert to fraction form
    109,157,029.58/163,735,544.36 = 100,228,820.78/x
  3. Step 3: Cross multiply
    109,157,029.58x = 163,735,544.36 × 100,228,820.78
  4. Step 4: Simplify right side
    109,157,029.58x = 16,411,020,530,406,076
  5. Step 5: Solve for x
    x = 16,411,020,530,406,076/109,157,029.58
  6. Step 6: Final answer
    x = 150,343,231.16

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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.