Home / 343,972,102-516,180,126.24-125,604,161.50

Finding the Fourth Proportional to 343,972,102, 516,180,126.24 and 125,604,161.50

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Solution

The fourth proportional to 343,972,102, 516,180,126.24 and 125,604,161.50 is: 188,487,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,972,102 : 516,180,126.24 = 125,604,161.50 : x
  2. Step 2: Convert to fraction form
    343,972,102/516,180,126.24 = 125,604,161.50/x
  3. Step 3: Cross multiply
    343,972,102x = 516,180,126.24 × 125,604,161.50
  4. Step 4: Simplify right side
    343,972,102x = 64,834,371,939,339,352
  5. Step 5: Solve for x
    x = 64,834,371,939,339,352/343,972,102
  6. Step 6: Final answer
    x = 188,487,297.55

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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.