Home / 248,870,666.43-343,345,731.80-155,889,301.95

Finding the Fourth Proportional to 248,870,666.43, 343,345,731.80 and 155,889,301.95

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Solution

The fourth proportional to 248,870,666.43, 343,345,731.80 and 155,889,301.95 is: 215,067,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,870,666.43 : 343,345,731.80 = 155,889,301.95 : x
  2. Step 2: Convert to fraction form
    248,870,666.43/343,345,731.80 = 155,889,301.95/x
  3. Step 3: Cross multiply
    248,870,666.43x = 343,345,731.80 × 155,889,301.95
  4. Step 4: Simplify right side
    248,870,666.43x = 53,523,926,457,034,472
  5. Step 5: Solve for x
    x = 53,523,926,457,034,472/248,870,666.43
  6. Step 6: Final answer
    x = 215,067,236.43

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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.