Home / 213,718,200,220.66-320,631,562,505.28-98,934,619,778.76

Finding the Fourth Proportional to 213,718,200,220.66, 320,631,562,505.28 and 98,934,619,778.76

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Solution

The fourth proportional to 213,718,200,220.66, 320,631,562,505.28 and 98,934,619,778.76 is: 148,427,048,762.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,718,200,220.66 : 320,631,562,505.28 = 98,934,619,778.76 : x
  2. Step 2: Convert to fraction form
    213,718,200,220.66/320,631,562,505.28 = 98,934,619,778.76/x
  3. Step 3: Cross multiply
    213,718,200,220.66x = 320,631,562,505.28 × 98,934,619,778.76
  4. Step 4: Simplify right side
    213,718,200,220.66x = 31,721,561,725,529,598,459,904
  5. Step 5: Solve for x
    x = 31,721,561,725,529,598,459,904/213,718,200,220.66
  6. Step 6: Final answer
    x = 148,427,048,762.24

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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.