Home / 218,439,615.85-301,446,658.28-117,968,044.58

Finding the Fourth Proportional to 218,439,615.85, 301,446,658.28 and 117,968,044.58

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Solution

The fourth proportional to 218,439,615.85, 301,446,658.28 and 117,968,044.58 is: 162,795,895.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,439,615.85 : 301,446,658.28 = 117,968,044.58 : x
  2. Step 2: Convert to fraction form
    218,439,615.85/301,446,658.28 = 117,968,044.58/x
  3. Step 3: Cross multiply
    218,439,615.85x = 301,446,658.28 × 117,968,044.58
  4. Step 4: Simplify right side
    218,439,615.85x = 35,561,072,822,467,064
  5. Step 5: Solve for x
    x = 35,561,072,822,467,064/218,439,615.85
  6. Step 6: Final answer
    x = 162,795,895.26

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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.