Home / 164,881,821.69-247,330,686.41-54,215,041.46

Finding the Fourth Proportional to 164,881,821.69, 247,330,686.41 and 54,215,041.46

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Solution

The fourth proportional to 164,881,821.69, 247,330,686.41 and 54,215,041.46 is: 81,325,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,881,821.69 : 247,330,686.41 = 54,215,041.46 : x
  2. Step 2: Convert to fraction form
    164,881,821.69/247,330,686.41 = 54,215,041.46/x
  3. Step 3: Cross multiply
    164,881,821.69x = 247,330,686.41 × 54,215,041.46
  4. Step 4: Simplify right side
    164,881,821.69x = 13,409,043,416,540,680
  5. Step 5: Solve for x
    x = 13,409,043,416,540,680/164,881,821.69
  6. Step 6: Final answer
    x = 81,325,177.51

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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.