Home / 207,966,875.32-287,003,255.54-115,147,391.37

Finding the Fourth Proportional to 207,966,875.32, 287,003,255.54 and 115,147,391.37

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Solution

The fourth proportional to 207,966,875.32, 287,003,255.54 and 115,147,391.37 is: 158,908,365.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,966,875.32 : 287,003,255.54 = 115,147,391.37 : x
  2. Step 2: Convert to fraction form
    207,966,875.32/287,003,255.54 = 115,147,391.37/x
  3. Step 3: Cross multiply
    207,966,875.32x = 287,003,255.54 × 115,147,391.37
  4. Step 4: Simplify right side
    207,966,875.32x = 33,047,676,188,476,504
  5. Step 5: Solve for x
    x = 33,047,676,188,476,504/207,966,875.32
  6. Step 6: Final answer
    x = 158,908,365.27

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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.