Home / 298,917,642.06-412,506,522.96-166,758,639.03

Finding the Fourth Proportional to 298,917,642.06, 412,506,522.96 and 166,758,639.03

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Solution

The fourth proportional to 298,917,642.06, 412,506,522.96 and 166,758,639.03 is: 230,127,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,917,642.06 : 412,506,522.96 = 166,758,639.03 : x
  2. Step 2: Convert to fraction form
    298,917,642.06/412,506,522.96 = 166,758,639.03/x
  3. Step 3: Cross multiply
    298,917,642.06x = 412,506,522.96 × 166,758,639.03
  4. Step 4: Simplify right side
    298,917,642.06x = 68,789,026,359,181,704
  5. Step 5: Solve for x
    x = 68,789,026,359,181,704/298,917,642.06
  6. Step 6: Final answer
    x = 230,127,020.56

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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.