Home / 164,825,191.45-247,049,720.42-66,393,913.91

Finding the Fourth Proportional to 164,825,191.45, 247,049,720.42 and 66,393,913.91

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Solution

The fourth proportional to 164,825,191.45, 247,049,720.42 and 66,393,913.91 is: 99,515,114.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,825,191.45 : 247,049,720.42 = 66,393,913.91 : x
  2. Step 2: Convert to fraction form
    164,825,191.45/247,049,720.42 = 66,393,913.91/x
  3. Step 3: Cross multiply
    164,825,191.45x = 247,049,720.42 × 66,393,913.91
  4. Step 4: Simplify right side
    164,825,191.45x = 16,402,597,869,838,660
  5. Step 5: Solve for x
    x = 16,402,597,869,838,660/164,825,191.45
  6. Step 6: Final answer
    x = 99,515,114.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.