Home / 187,778,204.10-281,289,392.55-130,335,336.90

Finding the Fourth Proportional to 187,778,204.10, 281,289,392.55 and 130,335,336.90

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Solution

The fourth proportional to 187,778,204.10, 281,289,392.55 and 130,335,336.90 is: 195,240,698.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,778,204.10 : 281,289,392.55 = 130,335,336.90 : x
  2. Step 2: Convert to fraction form
    187,778,204.10/281,289,392.55 = 130,335,336.90/x
  3. Step 3: Cross multiply
    187,778,204.10x = 281,289,392.55 × 130,335,336.90
  4. Step 4: Simplify right side
    187,778,204.10x = 36,661,947,744,400,600
  5. Step 5: Solve for x
    x = 36,661,947,744,400,600/187,778,204.10
  6. Step 6: Final answer
    x = 195,240,698.57

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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.