Home / 358,859,532.80-538,380,087.95-100,074,780.72

Finding the Fourth Proportional to 358,859,532.80, 538,380,087.95 and 100,074,780.72

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Solution

The fourth proportional to 358,859,532.80, 538,380,087.95 and 100,074,780.72 is: 150,137,489.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,859,532.80 : 538,380,087.95 = 100,074,780.72 : x
  2. Step 2: Convert to fraction form
    358,859,532.80/538,380,087.95 = 100,074,780.72/x
  3. Step 3: Cross multiply
    358,859,532.80x = 538,380,087.95 × 100,074,780.72
  4. Step 4: Simplify right side
    358,859,532.80x = 53,878,269,245,860,752
  5. Step 5: Solve for x
    x = 53,878,269,245,860,752/358,859,532.80
  6. Step 6: Final answer
    x = 150,137,489.24

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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.