Home / 242,557,981.60-363,852,718.80-127,766,725.60

Finding the Fourth Proportional to 242,557,981.60, 363,852,718.80 and 127,766,725.60

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Solution

The fourth proportional to 242,557,981.60, 363,852,718.80 and 127,766,725.60 is: 191,658,382.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,557,981.60 : 363,852,718.80 = 127,766,725.60 : x
  2. Step 2: Convert to fraction form
    242,557,981.60/363,852,718.80 = 127,766,725.60/x
  3. Step 3: Cross multiply
    242,557,981.60x = 363,852,718.80 × 127,766,725.60
  4. Step 4: Simplify right side
    242,557,981.60x = 46,488,270,481,733,560
  5. Step 5: Solve for x
    x = 46,488,270,481,733,560/242,557,981.60
  6. Step 6: Final answer
    x = 191,658,382.77

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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.