Home / 290,956,894.70-401,517,372.20-158,796,818.15

Finding the Fourth Proportional to 290,956,894.70, 401,517,372.20 and 158,796,818.15

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Solution

The fourth proportional to 290,956,894.70, 401,517,372.20 and 158,796,818.15 is: 219,137,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,956,894.70 : 401,517,372.20 = 158,796,818.15 : x
  2. Step 2: Convert to fraction form
    290,956,894.70/401,517,372.20 = 158,796,818.15/x
  3. Step 3: Cross multiply
    290,956,894.70x = 401,517,372.20 × 158,796,818.15
  4. Step 4: Simplify right side
    290,956,894.70x = 63,759,681,134,507,696
  5. Step 5: Solve for x
    x = 63,759,681,134,507,696/290,956,894.70
  6. Step 6: Final answer
    x = 219,137,893.95

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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.