Home / 272,712,285.89-407,574,134.32-199,091,101.19

Finding the Fourth Proportional to 272,712,285.89, 407,574,134.32 and 199,091,101.19

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Solution

The fourth proportional to 272,712,285.89, 407,574,134.32 and 199,091,101.19 is: 297,545,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,712,285.89 : 407,574,134.32 = 199,091,101.19 : x
  2. Step 2: Convert to fraction form
    272,712,285.89/407,574,134.32 = 199,091,101.19/x
  3. Step 3: Cross multiply
    272,712,285.89x = 407,574,134.32 × 199,091,101.19
  4. Step 4: Simplify right side
    272,712,285.89x = 81,144,383,218,329,776
  5. Step 5: Solve for x
    x = 81,144,383,218,329,776/272,712,285.89
  6. Step 6: Final answer
    x = 297,545,755.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.