Home / 161,883,538.02-223,472,238.24-103,225,048.74

Finding the Fourth Proportional to 161,883,538.02, 223,472,238.24 and 103,225,048.74

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Solution

The fourth proportional to 161,883,538.02, 223,472,238.24 and 103,225,048.74 is: 142,497,087.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,883,538.02 : 223,472,238.24 = 103,225,048.74 : x
  2. Step 2: Convert to fraction form
    161,883,538.02/223,472,238.24 = 103,225,048.74/x
  3. Step 3: Cross multiply
    161,883,538.02x = 223,472,238.24 × 103,225,048.74
  4. Step 4: Simplify right side
    161,883,538.02x = 23,067,932,684,360,892
  5. Step 5: Solve for x
    x = 23,067,932,684,360,892/161,883,538.02
  6. Step 6: Final answer
    x = 142,497,087.51

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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.