Home / 186,076,972.80-279,115,459.20-124,854,969.60

Finding the Fourth Proportional to 186,076,972.80, 279,115,459.20 and 124,854,969.60

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Solution

The fourth proportional to 186,076,972.80, 279,115,459.20 and 124,854,969.60 is: 187,282,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,076,972.80 : 279,115,459.20 = 124,854,969.60 : x
  2. Step 2: Convert to fraction form
    186,076,972.80/279,115,459.20 = 124,854,969.60/x
  3. Step 3: Cross multiply
    186,076,972.80x = 279,115,459.20 × 124,854,969.60
  4. Step 4: Simplify right side
    186,076,972.80x = 34,848,952,173,306,036
  5. Step 5: Solve for x
    x = 34,848,952,173,306,036/186,076,972.80
  6. Step 6: Final answer
    x = 187,282,454.40

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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.