Home / 218,307,422.10-301,262,682.76-119,188,166.42

Finding the Fourth Proportional to 218,307,422.10, 301,262,682.76 and 119,188,166.42

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Solution

The fourth proportional to 218,307,422.10, 301,262,682.76 and 119,188,166.42 is: 164,478,818.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,307,422.10 : 301,262,682.76 = 119,188,166.42 : x
  2. Step 2: Convert to fraction form
    218,307,422.10/301,262,682.76 = 119,188,166.42/x
  3. Step 3: Cross multiply
    218,307,422.10x = 301,262,682.76 × 119,188,166.42
  4. Step 4: Simplify right side
    218,307,422.10x = 35,906,946,768,934,544
  5. Step 5: Solve for x
    x = 35,906,946,768,934,544/218,307,422.10
  6. Step 6: Final answer
    x = 164,478,818.10

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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.