Home / 78,222,445.41-107,958,221.10-46,861,835.88

Finding the Fourth Proportional to 78,222,445.41, 107,958,221.10 and 46,861,835.88

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Solution

The fourth proportional to 78,222,445.41, 107,958,221.10 and 46,861,835.88 is: 64,676,071.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,222,445.41 : 107,958,221.10 = 46,861,835.88 : x
  2. Step 2: Convert to fraction form
    78,222,445.41/107,958,221.10 = 46,861,835.88/x
  3. Step 3: Cross multiply
    78,222,445.41x = 107,958,221.10 × 46,861,835.88
  4. Step 4: Simplify right side
    78,222,445.41x = 5,059,120,439,084,953
  5. Step 5: Solve for x
    x = 5,059,120,439,084,953/78,222,445.41
  6. Step 6: Final answer
    x = 64,676,071.08

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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.