Home / 166,087,458.05-229,202,615.93-91,746,478.58

Finding the Fourth Proportional to 166,087,458.05, 229,202,615.93 and 91,746,478.58

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Solution

The fourth proportional to 166,087,458.05, 229,202,615.93 and 91,746,478.58 is: 126,611,203.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,087,458.05 : 229,202,615.93 = 91,746,478.58 : x
  2. Step 2: Convert to fraction form
    166,087,458.05/229,202,615.93 = 91,746,478.58/x
  3. Step 3: Cross multiply
    166,087,458.05x = 229,202,615.93 × 91,746,478.58
  4. Step 4: Simplify right side
    166,087,458.05x = 21,028,532,891,296,968
  5. Step 5: Solve for x
    x = 21,028,532,891,296,968/166,087,458.05
  6. Step 6: Final answer
    x = 126,611,203.15

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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.