Home / 72,482,803.39-100,026,285.01-39,887,755.39

Finding the Fourth Proportional to 72,482,803.39, 100,026,285.01 and 39,887,755.39

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Solution

The fourth proportional to 72,482,803.39, 100,026,285.01 and 39,887,755.39 is: 55,045,111.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,482,803.39 : 100,026,285.01 = 39,887,755.39 : x
  2. Step 2: Convert to fraction form
    72,482,803.39/100,026,285.01 = 39,887,755.39/x
  3. Step 3: Cross multiply
    72,482,803.39x = 100,026,285.01 × 39,887,755.39
  4. Step 4: Simplify right side
    72,482,803.39x = 3,989,823,989,074,617
  5. Step 5: Solve for x
    x = 3,989,823,989,074,617/72,482,803.39
  6. Step 6: Final answer
    x = 55,045,111.43

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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.