Home / 242,540,079.60-363,825,865.80-127,748,823.60

Finding the Fourth Proportional to 242,540,079.60, 363,825,865.80 and 127,748,823.60

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Solution

The fourth proportional to 242,540,079.60, 363,825,865.80 and 127,748,823.60 is: 191,631,529.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,540,079.60 : 363,825,865.80 = 127,748,823.60 : x
  2. Step 2: Convert to fraction form
    242,540,079.60/363,825,865.80 = 127,748,823.60/x
  3. Step 3: Cross multiply
    242,540,079.60x = 363,825,865.80 × 127,748,823.60
  4. Step 4: Simplify right side
    242,540,079.60x = 46,478,326,351,201,472
  5. Step 5: Solve for x
    x = 46,478,326,351,201,472/242,540,079.60
  6. Step 6: Final answer
    x = 191,631,529.22

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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.