Home / 126,768,253.12-190,223,031.12-68,474,756.32

Finding the Fourth Proportional to 126,768,253.12, 190,223,031.12 and 68,474,756.32

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Solution

The fourth proportional to 126,768,253.12, 190,223,031.12 and 68,474,756.32 is: 102,750,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,768,253.12 : 190,223,031.12 = 68,474,756.32 : x
  2. Step 2: Convert to fraction form
    126,768,253.12/190,223,031.12 = 68,474,756.32/x
  3. Step 3: Cross multiply
    126,768,253.12x = 190,223,031.12 × 68,474,756.32
  4. Step 4: Simplify right side
    126,768,253.12x = 13,025,475,702,393,776
  5. Step 5: Solve for x
    x = 13,025,475,702,393,776/126,768,253.12
  6. Step 6: Final answer
    x = 102,750,297.35

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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.