Home / 215,663,946.66-323,782,903.80-113,499,728.82

Finding the Fourth Proportional to 215,663,946.66, 323,782,903.80 and 113,499,728.82

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Solution

The fourth proportional to 215,663,946.66, 323,782,903.80 and 113,499,728.82 is: 170,400,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,663,946.66 : 323,782,903.80 = 113,499,728.82 : x
  2. Step 2: Convert to fraction form
    215,663,946.66/323,782,903.80 = 113,499,728.82/x
  3. Step 3: Cross multiply
    215,663,946.66x = 323,782,903.80 × 113,499,728.82
  4. Step 4: Simplify right side
    215,663,946.66x = 36,749,271,777,852,144
  5. Step 5: Solve for x
    x = 36,749,271,777,852,144/215,663,946.66
  6. Step 6: Final answer
    x = 170,400,627.21

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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.