Home / 72,109,650.72-108,088,893.36-26,642,445.60

Finding the Fourth Proportional to 72,109,650.72, 108,088,893.36 and 26,642,445.60

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Solution

The fourth proportional to 72,109,650.72, 108,088,893.36 and 26,642,445.60 is: 39,935,742.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,109,650.72 : 108,088,893.36 = 26,642,445.60 : x
  2. Step 2: Convert to fraction form
    72,109,650.72/108,088,893.36 = 26,642,445.60/x
  3. Step 3: Cross multiply
    72,109,650.72x = 108,088,893.36 × 26,642,445.60
  4. Step 4: Simplify right side
    72,109,650.72x = 2,879,752,461,308,001.50
  5. Step 5: Solve for x
    x = 2,879,752,461,308,001.50/72,109,650.72
  6. Step 6: Final answer
    x = 39,935,742.76

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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.