Home / 35,299,530.40-52,911,625.20-20,120,778.40

Finding the Fourth Proportional to 35,299,530.40, 52,911,625.20 and 20,120,778.40

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Solution

The fourth proportional to 35,299,530.40, 52,911,625.20 and 20,120,778.40 is: 30,159,695.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,299,530.40 : 52,911,625.20 = 20,120,778.40 : x
  2. Step 2: Convert to fraction form
    35,299,530.40/52,911,625.20 = 20,120,778.40/x
  3. Step 3: Cross multiply
    35,299,530.40x = 52,911,625.20 × 20,120,778.40
  4. Step 4: Simplify right side
    35,299,530.40x = 1,064,623,085,433,055.62
  5. Step 5: Solve for x
    x = 1,064,623,085,433,055.62/35,299,530.40
  6. Step 6: Final answer
    x = 30,159,695.42

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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.