Home / 207,231,970.67-286,005,196.79-117,945,623.52

Finding the Fourth Proportional to 207,231,970.67, 286,005,196.79 and 117,945,623.52

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Solution

The fourth proportional to 207,231,970.67, 286,005,196.79 and 117,945,623.52 is: 162,779,233.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,231,970.67 : 286,005,196.79 = 117,945,623.52 : x
  2. Step 2: Convert to fraction form
    207,231,970.67/286,005,196.79 = 117,945,623.52/x
  3. Step 3: Cross multiply
    207,231,970.67x = 286,005,196.79 × 117,945,623.52
  4. Step 4: Simplify right side
    207,231,970.67x = 33,733,061,265,356,852
  5. Step 5: Solve for x
    x = 33,733,061,265,356,852/207,231,970.67
  6. Step 6: Final answer
    x = 162,779,233.13

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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.