Home / 207,231,991.03-286,005,224.80-117,945,643.92

Finding the Fourth Proportional to 207,231,991.03, 286,005,224.80 and 117,945,643.92

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Solution

The fourth proportional to 207,231,991.03, 286,005,224.80 and 117,945,643.92 is: 162,779,261.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,231,991.03 : 286,005,224.80 = 117,945,643.92 : x
  2. Step 2: Convert to fraction form
    207,231,991.03/286,005,224.80 = 117,945,643.92/x
  3. Step 3: Cross multiply
    207,231,991.03x = 286,005,224.80 × 117,945,643.92
  4. Step 4: Simplify right side
    207,231,991.03x = 33,733,070,403,520,356
  5. Step 5: Solve for x
    x = 33,733,070,403,520,356/207,231,991.03
  6. Step 6: Final answer
    x = 162,779,261.23

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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.