Home / 72,299,079.76-108,448,383.08-26,240,887.40

Finding the Fourth Proportional to 72,299,079.76, 108,448,383.08 and 26,240,887.40

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Solution

The fourth proportional to 72,299,079.76, 108,448,383.08 and 26,240,887.40 is: 39,361,245.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,299,079.76 : 108,448,383.08 = 26,240,887.40 : x
  2. Step 2: Convert to fraction form
    72,299,079.76/108,448,383.08 = 26,240,887.40/x
  3. Step 3: Cross multiply
    72,299,079.76x = 108,448,383.08 × 26,240,887.40
  4. Step 4: Simplify right side
    72,299,079.76x = 2,845,781,809,114,345
  5. Step 5: Solve for x
    x = 2,845,781,809,114,345/72,299,079.76
  6. Step 6: Final answer
    x = 39,361,245.24

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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.