Home / 216,959,026.31-299,405,655.56-117,840,731.39

Finding the Fourth Proportional to 216,959,026.31, 299,405,655.56 and 117,840,731.39

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Solution

The fourth proportional to 216,959,026.31, 299,405,655.56 and 117,840,731.39 is: 162,621,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,959,026.31 : 299,405,655.56 = 117,840,731.39 : x
  2. Step 2: Convert to fraction form
    216,959,026.31/299,405,655.56 = 117,840,731.39/x
  3. Step 3: Cross multiply
    216,959,026.31x = 299,405,655.56 × 117,840,731.39
  4. Step 4: Simplify right side
    216,959,026.31x = 35,282,181,433,492,820
  5. Step 5: Solve for x
    x = 35,282,181,433,492,820/216,959,026.31
  6. Step 6: Final answer
    x = 162,621,403.84

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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.