Home / 187,076,891.80-280,615,337.70-118,202,138.20

Finding the Fourth Proportional to 187,076,891.80, 280,615,337.70 and 118,202,138.20

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Solution

The fourth proportional to 187,076,891.80, 280,615,337.70 and 118,202,138.20 is: 177,303,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,076,891.80 : 280,615,337.70 = 118,202,138.20 : x
  2. Step 2: Convert to fraction form
    187,076,891.80/280,615,337.70 = 118,202,138.20/x
  3. Step 3: Cross multiply
    187,076,891.80x = 280,615,337.70 × 118,202,138.20
  4. Step 4: Simplify right side
    187,076,891.80x = 33,169,332,927,855,068
  5. Step 5: Solve for x
    x = 33,169,332,927,855,068/187,076,891.80
  6. Step 6: Final answer
    x = 177,303,207.30

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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.