Home / 166,218,358.70-229,381,384.42-90,865,014.08

Finding the Fourth Proportional to 166,218,358.70, 229,381,384.42 and 90,865,014.08

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Solution

The fourth proportional to 166,218,358.70, 229,381,384.42 and 90,865,014.08 is: 125,393,746.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,218,358.70 : 229,381,384.42 = 90,865,014.08 : x
  2. Step 2: Convert to fraction form
    166,218,358.70/229,381,384.42 = 90,865,014.08/x
  3. Step 3: Cross multiply
    166,218,358.70x = 229,381,384.42 × 90,865,014.08
  4. Step 4: Simplify right side
    166,218,358.70x = 20,842,742,725,113,008
  5. Step 5: Solve for x
    x = 20,842,742,725,113,008/166,218,358.70
  6. Step 6: Final answer
    x = 125,393,746.44

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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.