Home / 207,162,231,287.46-285,880,861,531.35-115,712,083,407.30

Finding the Fourth Proportional to 207,162,231,287.46, 285,880,861,531.35 and 115,712,083,407.30

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Solution

The fourth proportional to 207,162,231,287.46, 285,880,861,531.35 and 115,712,083,407.30 is: 159,680,989,572.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,162,231,287.46 : 285,880,861,531.35 = 115,712,083,407.30 : x
  2. Step 2: Convert to fraction form
    207,162,231,287.46/285,880,861,531.35 = 115,712,083,407.30/x
  3. Step 3: Cross multiply
    207,162,231,287.46x = 285,880,861,531.35 × 115,712,083,407.30
  4. Step 4: Simplify right side
    207,162,231,287.46x = 33,079,870,094,066,350,817,280
  5. Step 5: Solve for x
    x = 33,079,870,094,066,350,817,280/207,162,231,287.46
  6. Step 6: Final answer
    x = 159,680,989,572.68

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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.