Home / 213,663,946.08-320,495,420.78-140,350,497.60

Finding the Fourth Proportional to 213,663,946.08, 320,495,420.78 and 140,350,497.60

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Solution

The fourth proportional to 213,663,946.08, 320,495,420.78 and 140,350,497.60 is: 210,525,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,663,946.08 : 320,495,420.78 = 140,350,497.60 : x
  2. Step 2: Convert to fraction form
    213,663,946.08/320,495,420.78 = 140,350,497.60/x
  3. Step 3: Cross multiply
    213,663,946.08x = 320,495,420.78 × 140,350,497.60
  4. Step 4: Simplify right side
    213,663,946.08x = 44,981,691,784,994,376
  5. Step 5: Solve for x
    x = 44,981,691,784,994,376/213,663,946.08
  6. Step 6: Final answer
    x = 210,525,419.05

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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.