Home / 216,959,024.31-299,405,652.80-117,840,729.39

Finding the Fourth Proportional to 216,959,024.31, 299,405,652.80 and 117,840,729.39

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Solution

The fourth proportional to 216,959,024.31, 299,405,652.80 and 117,840,729.39 is: 162,621,401.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,959,024.31 : 299,405,652.80 = 117,840,729.39 : x
  2. Step 2: Convert to fraction form
    216,959,024.31/299,405,652.80 = 117,840,729.39/x
  3. Step 3: Cross multiply
    216,959,024.31x = 299,405,652.80 × 117,840,729.39
  4. Step 4: Simplify right side
    216,959,024.31x = 35,282,180,508,851,896
  5. Step 5: Solve for x
    x = 35,282,180,508,851,896/216,959,024.31
  6. Step 6: Final answer
    x = 162,621,401.07

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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.