Home / 242,587,289.80-363,880,934.70-216,385,280.20

Finding the Fourth Proportional to 242,587,289.80, 363,880,934.70 and 216,385,280.20

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Solution

The fourth proportional to 242,587,289.80, 363,880,934.70 and 216,385,280.20 is: 324,577,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,587,289.80 : 363,880,934.70 = 216,385,280.20 : x
  2. Step 2: Convert to fraction form
    242,587,289.80/363,880,934.70 = 216,385,280.20/x
  3. Step 3: Cross multiply
    242,587,289.80x = 363,880,934.70 × 216,385,280.20
  4. Step 4: Simplify right side
    242,587,289.80x = 78,738,478,014,497,392
  5. Step 5: Solve for x
    x = 78,738,478,014,497,392/242,587,289.80
  6. Step 6: Final answer
    x = 324,577,920.30

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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.