Home / 171,718,079-257,544,263.26-66,673,424.28

Finding the Fourth Proportional to 171,718,079, 257,544,263.26 and 66,673,424.28

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Solution

The fourth proportional to 171,718,079, 257,544,263.26 and 66,673,424.28 is: 99,997,379.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,718,079 : 257,544,263.26 = 66,673,424.28 : x
  2. Step 2: Convert to fraction form
    171,718,079/257,544,263.26 = 66,673,424.28/x
  3. Step 3: Cross multiply
    171,718,079x = 257,544,263.26 × 66,673,424.28
  4. Step 4: Simplify right side
    171,718,079x = 17,171,357,935,213,996
  5. Step 5: Solve for x
    x = 17,171,357,935,213,996/171,718,079
  6. Step 6: Final answer
    x = 99,997,379.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.