Home / 207,231,990.03-286,005,223.42-117,945,642.92

Finding the Fourth Proportional to 207,231,990.03, 286,005,223.42 and 117,945,642.92

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Solution

The fourth proportional to 207,231,990.03, 286,005,223.42 and 117,945,642.92 is: 162,779,259.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,231,990.03 : 286,005,223.42 = 117,945,642.92 : x
  2. Step 2: Convert to fraction form
    207,231,990.03/286,005,223.42 = 117,945,642.92/x
  3. Step 3: Cross multiply
    207,231,990.03x = 286,005,223.42 × 117,945,642.92
  4. Step 4: Simplify right side
    207,231,990.03x = 33,733,069,953,025,256
  5. Step 5: Solve for x
    x = 33,733,069,953,025,256/207,231,990.03
  6. Step 6: Final answer
    x = 162,779,259.84

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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.