Home / 78,690,783.96-108,593,071.02-43,883,514.36

Finding the Fourth Proportional to 78,690,783.96, 108,593,071.02 and 43,883,514.36

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Solution

The fourth proportional to 78,690,783.96, 108,593,071.02 and 43,883,514.36 is: 60,559,132.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,690,783.96 : 108,593,071.02 = 43,883,514.36 : x
  2. Step 2: Convert to fraction form
    78,690,783.96/108,593,071.02 = 43,883,514.36/x
  3. Step 3: Cross multiply
    78,690,783.96x = 108,593,071.02 × 43,883,514.36
  4. Step 4: Simplify right side
    78,690,783.96x = 4,765,445,591,502,670
  5. Step 5: Solve for x
    x = 4,765,445,591,502,670/78,690,783.96
  6. Step 6: Final answer
    x = 60,559,132.23

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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.