Home / 285,319,040.49-393,733,614.56-167,851,935.45

Finding the Fourth Proportional to 285,319,040.49, 393,733,614.56 and 167,851,935.45

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Solution

The fourth proportional to 285,319,040.49, 393,733,614.56 and 167,851,935.45 is: 231,631,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,319,040.49 : 393,733,614.56 = 167,851,935.45 : x
  2. Step 2: Convert to fraction form
    285,319,040.49/393,733,614.56 = 167,851,935.45/x
  3. Step 3: Cross multiply
    285,319,040.49x = 393,733,614.56 × 167,851,935.45
  4. Step 4: Simplify right side
    285,319,040.49x = 66,088,949,254,781,040
  5. Step 5: Solve for x
    x = 66,088,949,254,781,040/285,319,040.49
  6. Step 6: Final answer
    x = 231,631,752.10

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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.