Home / 242,646,223.20-363,969,334.80-70,128,664.80

Finding the Fourth Proportional to 242,646,223.20, 363,969,334.80 and 70,128,664.80

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Solution

The fourth proportional to 242,646,223.20, 363,969,334.80 and 70,128,664.80 is: 105,192,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,646,223.20 : 363,969,334.80 = 70,128,664.80 : x
  2. Step 2: Convert to fraction form
    242,646,223.20/363,969,334.80 = 70,128,664.80/x
  3. Step 3: Cross multiply
    242,646,223.20x = 363,969,334.80 × 70,128,664.80
  4. Step 4: Simplify right side
    242,646,223.20x = 25,524,683,477,668,176
  5. Step 5: Solve for x
    x = 25,524,683,477,668,176/242,646,223.20
  6. Step 6: Final answer
    x = 105,192,997.20

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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.