Home / 187,076,892.80-280,615,339.20-118,202,139.20

Finding the Fourth Proportional to 187,076,892.80, 280,615,339.20 and 118,202,139.20

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Solution

The fourth proportional to 187,076,892.80, 280,615,339.20 and 118,202,139.20 is: 177,303,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,076,892.80 : 280,615,339.20 = 118,202,139.20 : x
  2. Step 2: Convert to fraction form
    187,076,892.80/280,615,339.20 = 118,202,139.20/x
  3. Step 3: Cross multiply
    187,076,892.80x = 280,615,339.20 × 118,202,139.20
  4. Step 4: Simplify right side
    187,076,892.80x = 33,169,333,385,773,616
  5. Step 5: Solve for x
    x = 33,169,333,385,773,616/187,076,892.80
  6. Step 6: Final answer
    x = 177,303,208.80

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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.