Home / 126,768,253.62-190,223,031.87-68,474,756.82

Finding the Fourth Proportional to 126,768,253.62, 190,223,031.87 and 68,474,756.82

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Solution

The fourth proportional to 126,768,253.62, 190,223,031.87 and 68,474,756.82 is: 102,750,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,768,253.62 : 190,223,031.87 = 68,474,756.82 : x
  2. Step 2: Convert to fraction form
    126,768,253.62/190,223,031.87 = 68,474,756.82/x
  3. Step 3: Cross multiply
    126,768,253.62x = 190,223,031.87 × 68,474,756.82
  4. Step 4: Simplify right side
    126,768,253.62x = 13,025,475,848,861,358
  5. Step 5: Solve for x
    x = 13,025,475,848,861,358/126,768,253.62
  6. Step 6: Final answer
    x = 102,750,298.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.