Home / 369,072,699.12-509,321,194.92-201,819,803.76

Finding the Fourth Proportional to 369,072,699.12, 509,321,194.92 and 201,819,803.76

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Solution

The fourth proportional to 369,072,699.12, 509,321,194.92 and 201,819,803.76 is: 278,511,805.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,072,699.12 : 509,321,194.92 = 201,819,803.76 : x
  2. Step 2: Convert to fraction form
    369,072,699.12/509,321,194.92 = 201,819,803.76/x
  3. Step 3: Cross multiply
    369,072,699.12x = 509,321,194.92 × 201,819,803.76
  4. Step 4: Simplify right side
    369,072,699.12x = 102,791,103,609,563,104
  5. Step 5: Solve for x
    x = 102,791,103,609,563,104/369,072,699.12
  6. Step 6: Final answer
    x = 278,511,805.00

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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.