Home / 207,967,057.02-287,003,506.71-115,147,573.06

Finding the Fourth Proportional to 207,967,057.02, 287,003,506.71 and 115,147,573.06

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Solution

The fourth proportional to 207,967,057.02, 287,003,506.71 and 115,147,573.06 is: 158,908,616.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,967,057.02 : 287,003,506.71 = 115,147,573.06 : x
  2. Step 2: Convert to fraction form
    207,967,057.02/287,003,506.71 = 115,147,573.06/x
  3. Step 3: Cross multiply
    207,967,057.02x = 287,003,506.71 × 115,147,573.06
  4. Step 4: Simplify right side
    207,967,057.02x = 33,047,757,257,365,924
  5. Step 5: Solve for x
    x = 33,047,757,257,365,924/207,967,057.02
  6. Step 6: Final answer
    x = 158,908,616.25

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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.