Home / 217,451,815.17-300,087,116.77-118,336,740.07

Finding the Fourth Proportional to 217,451,815.17, 300,087,116.77 and 118,336,740.07

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Solution

The fourth proportional to 217,451,815.17, 300,087,116.77 and 118,336,740.07 is: 163,306,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,451,815.17 : 300,087,116.77 = 118,336,740.07 : x
  2. Step 2: Convert to fraction form
    217,451,815.17/300,087,116.77 = 118,336,740.07/x
  3. Step 3: Cross multiply
    217,451,815.17x = 300,087,116.77 × 118,336,740.07
  4. Step 4: Simplify right side
    217,451,815.17x = 35,511,331,135,567,224
  5. Step 5: Solve for x
    x = 35,511,331,135,567,224/217,451,815.17
  6. Step 6: Final answer
    x = 163,306,666.85

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1.5x scale

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.