Home / 242,980,515.72-335,312,894.97-137,156,205.76

Finding the Fourth Proportional to 242,980,515.72, 335,312,894.97 and 137,156,205.76

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Solution

The fourth proportional to 242,980,515.72, 335,312,894.97 and 137,156,205.76 is: 189,275,441.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,980,515.72 : 335,312,894.97 = 137,156,205.76 : x
  2. Step 2: Convert to fraction form
    242,980,515.72/335,312,894.97 = 137,156,205.76/x
  3. Step 3: Cross multiply
    242,980,515.72x = 335,312,894.97 × 137,156,205.76
  4. Step 4: Simplify right side
    242,980,515.72x = 45,990,244,415,648,312
  5. Step 5: Solve for x
    x = 45,990,244,415,648,312/242,980,515.72
  6. Step 6: Final answer
    x = 189,275,441.61

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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.