Home / 278,326,272.05-384,079,732.89-154,574,920.79

Finding the Fourth Proportional to 278,326,272.05, 384,079,732.89 and 154,574,920.79

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Solution

The fourth proportional to 278,326,272.05, 384,079,732.89 and 154,574,920.79 is: 213,307,546.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,326,272.05 : 384,079,732.89 = 154,574,920.79 : x
  2. Step 2: Convert to fraction form
    278,326,272.05/384,079,732.89 = 154,574,920.79/x
  3. Step 3: Cross multiply
    278,326,272.05x = 384,079,732.89 × 154,574,920.79
  4. Step 4: Simplify right side
    278,326,272.05x = 59,369,094,286,595,704
  5. Step 5: Solve for x
    x = 59,369,094,286,595,704/278,326,272.05
  6. Step 6: Final answer
    x = 213,307,546.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.