Home / 118,773,043.20-178,159,564.80-60,659,969.88

Finding the Fourth Proportional to 118,773,043.20, 178,159,564.80 and 60,659,969.88

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Solution

The fourth proportional to 118,773,043.20, 178,159,564.80 and 60,659,969.88 is: 90,989,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,773,043.20 : 178,159,564.80 = 60,659,969.88 : x
  2. Step 2: Convert to fraction form
    118,773,043.20/178,159,564.80 = 60,659,969.88/x
  3. Step 3: Cross multiply
    118,773,043.20x = 178,159,564.80 × 60,659,969.88
  4. Step 4: Simplify right side
    118,773,043.20x = 10,807,153,834,601,910
  5. Step 5: Solve for x
    x = 10,807,153,834,601,910/118,773,043.20
  6. Step 6: Final answer
    x = 90,989,954.82

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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.