Home / 207,967,056.18-287,003,505.56-115,147,572.23

Finding the Fourth Proportional to 207,967,056.18, 287,003,505.56 and 115,147,572.23

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Solution

The fourth proportional to 207,967,056.18, 287,003,505.56 and 115,147,572.23 is: 158,908,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,967,056.18 : 287,003,505.56 = 115,147,572.23 : x
  2. Step 2: Convert to fraction form
    207,967,056.18/287,003,505.56 = 115,147,572.23/x
  3. Step 3: Cross multiply
    207,967,056.18x = 287,003,505.56 × 115,147,572.23
  4. Step 4: Simplify right side
    207,967,056.18x = 33,047,756,884,722,552
  5. Step 5: Solve for x
    x = 33,047,756,884,722,552/207,967,056.18
  6. Step 6: Final answer
    x = 158,908,615.10

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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.