Home / 147,109,486.62-203,011,090.74-85,265,697.36

Finding the Fourth Proportional to 147,109,486.62, 203,011,090.74 and 85,265,697.36

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Solution

The fourth proportional to 147,109,486.62, 203,011,090.74 and 85,265,697.36 is: 117,666,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,109,486.62 : 203,011,090.74 = 85,265,697.36 : x
  2. Step 2: Convert to fraction form
    147,109,486.62/203,011,090.74 = 85,265,697.36/x
  3. Step 3: Cross multiply
    147,109,486.62x = 203,011,090.74 × 85,265,697.36
  4. Step 4: Simplify right side
    147,109,486.62x = 17,309,882,223,760,340
  5. Step 5: Solve for x
    x = 17,309,882,223,760,340/147,109,486.62
  6. Step 6: Final answer
    x = 117,666,661.90

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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.