Home / 207,231,977.27-286,005,205.89-117,945,630.11

Finding the Fourth Proportional to 207,231,977.27, 286,005,205.89 and 117,945,630.11

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Solution

The fourth proportional to 207,231,977.27, 286,005,205.89 and 117,945,630.11 is: 162,779,242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,231,977.27 : 286,005,205.89 = 117,945,630.11 : x
  2. Step 2: Convert to fraction form
    207,231,977.27/286,005,205.89 = 117,945,630.11/x
  3. Step 3: Cross multiply
    207,231,977.27x = 286,005,205.89 × 117,945,630.11
  4. Step 4: Simplify right side
    207,231,977.27x = 33,733,064,224,151,344
  5. Step 5: Solve for x
    x = 33,733,064,224,151,344/207,231,977.27
  6. Step 6: Final answer
    x = 162,779,242.22

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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.