Home / 118,777,951.60-178,166,927.40-77,963,282.80

Finding the Fourth Proportional to 118,777,951.60, 178,166,927.40 and 77,963,282.80

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Solution

The fourth proportional to 118,777,951.60, 178,166,927.40 and 77,963,282.80 is: 116,944,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,777,951.60 : 178,166,927.40 = 77,963,282.80 : x
  2. Step 2: Convert to fraction form
    118,777,951.60/178,166,927.40 = 77,963,282.80/x
  3. Step 3: Cross multiply
    118,777,951.60x = 178,166,927.40 × 77,963,282.80
  4. Step 4: Simplify right side
    118,777,951.60x = 13,890,478,546,493,268
  5. Step 5: Solve for x
    x = 13,890,478,546,493,268/118,777,951.60
  6. Step 6: Final answer
    x = 116,944,924.20

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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.