Home / 242,587,288.80-363,880,933.20-216,385,279.20

Finding the Fourth Proportional to 242,587,288.80, 363,880,933.20 and 216,385,279.20

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Solution

The fourth proportional to 242,587,288.80, 363,880,933.20 and 216,385,279.20 is: 324,577,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,587,288.80 : 363,880,933.20 = 216,385,279.20 : x
  2. Step 2: Convert to fraction form
    242,587,288.80/363,880,933.20 = 216,385,279.20/x
  3. Step 3: Cross multiply
    242,587,288.80x = 363,880,933.20 × 216,385,279.20
  4. Step 4: Simplify right side
    242,587,288.80x = 78,738,477,326,038,544
  5. Step 5: Solve for x
    x = 78,738,477,326,038,544/242,587,288.80
  6. Step 6: Final answer
    x = 324,577,918.80

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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.