Home / 216,720,820.53-299,073,215.43-117,599,047.11

Finding the Fourth Proportional to 216,720,820.53, 299,073,215.43 and 117,599,047.11

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Solution

The fourth proportional to 216,720,820.53, 299,073,215.43 and 117,599,047.11 is: 162,285,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,720,820.53 : 299,073,215.43 = 117,599,047.11 : x
  2. Step 2: Convert to fraction form
    216,720,820.53/299,073,215.43 = 117,599,047.11/x
  3. Step 3: Cross multiply
    216,720,820.53x = 299,073,215.43 × 117,599,047.11
  4. Step 4: Simplify right side
    216,720,820.53x = 35,170,725,150,691,748
  5. Step 5: Solve for x
    x = 35,170,725,150,691,748/216,720,820.53
  6. Step 6: Final answer
    x = 162,285,861.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.