Home / 242,558,121.60-363,852,928.80-127,766,865.60

Finding the Fourth Proportional to 242,558,121.60, 363,852,928.80 and 127,766,865.60

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Solution

The fourth proportional to 242,558,121.60, 363,852,928.80 and 127,766,865.60 is: 191,658,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,558,121.60 : 363,852,928.80 = 127,766,865.60 : x
  2. Step 2: Convert to fraction form
    242,558,121.60/363,852,928.80 = 127,766,865.60/x
  3. Step 3: Cross multiply
    242,558,121.60x = 363,852,928.80 × 127,766,865.60
  4. Step 4: Simplify right side
    242,558,121.60x = 46,488,348,252,155,968
  5. Step 5: Solve for x
    x = 46,488,348,252,155,968/242,558,121.60
  6. Step 6: Final answer
    x = 191,658,592.78

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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.