Home / 214,200,053,721.55-320,947,041,299.78-124,410,996,915.30

Finding the Fourth Proportional to 214,200,053,721.55, 320,947,041,299.78 and 124,410,996,915.30

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Solution

The fourth proportional to 214,200,053,721.55, 320,947,041,299.78 and 124,410,996,915.30 is: 186,411,444,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,200,053,721.55 : 320,947,041,299.78 = 124,410,996,915.30 : x
  2. Step 2: Convert to fraction form
    214,200,053,721.55/320,947,041,299.78 = 124,410,996,915.30/x
  3. Step 3: Cross multiply
    214,200,053,721.55x = 320,947,041,299.78 × 124,410,996,915.30
  4. Step 4: Simplify right side
    214,200,053,721.55x = 39,929,341,365,121,592,590,336
  5. Step 5: Solve for x
    x = 39,929,341,365,121,592,590,336/214,200,053,721.55
  6. Step 6: Final answer
    x = 186,411,444,214.80

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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.