Home / 116,819,368.12-161,215,739.22-64,608,388.12

Finding the Fourth Proportional to 116,819,368.12, 161,215,739.22 and 64,608,388.12

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Solution

The fourth proportional to 116,819,368.12, 161,215,739.22 and 64,608,388.12 is: 89,162,347.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,819,368.12 : 161,215,739.22 = 64,608,388.12 : x
  2. Step 2: Convert to fraction form
    116,819,368.12/161,215,739.22 = 64,608,388.12/x
  3. Step 3: Cross multiply
    116,819,368.12x = 161,215,739.22 × 64,608,388.12
  4. Step 4: Simplify right side
    116,819,368.12x = 10,415,889,050,578,466
  5. Step 5: Solve for x
    x = 10,415,889,050,578,466/116,819,368.12
  6. Step 6: Final answer
    x = 89,162,347.12

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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.