Home / 207,162,231,285.39-285,880,861,528.48-115,712,083,405.24

Finding the Fourth Proportional to 207,162,231,285.39, 285,880,861,528.48 and 115,712,083,405.24

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Solution

The fourth proportional to 207,162,231,285.39, 285,880,861,528.48 and 115,712,083,405.24 is: 159,680,989,569.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,162,231,285.39 : 285,880,861,528.48 = 115,712,083,405.24 : x
  2. Step 2: Convert to fraction form
    207,162,231,285.39/285,880,861,528.48 = 115,712,083,405.24/x
  3. Step 3: Cross multiply
    207,162,231,285.39x = 285,880,861,528.48 × 115,712,083,405.24
  4. Step 4: Simplify right side
    207,162,231,285.39x = 33,079,870,093,145,344,573,440
  5. Step 5: Solve for x
    x = 33,079,870,093,145,344,573,440/207,162,231,285.39
  6. Step 6: Final answer
    x = 159,680,989,569.83

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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.