Home / 81,661,282.20-112,692,518.10-44,991,852.84

Finding the Fourth Proportional to 81,661,282.20, 112,692,518.10 and 44,991,852.84

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Solution

The fourth proportional to 81,661,282.20, 112,692,518.10 and 44,991,852.84 is: 62,088,728.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,661,282.20 : 112,692,518.10 = 44,991,852.84 : x
  2. Step 2: Convert to fraction form
    81,661,282.20/112,692,518.10 = 44,991,852.84/x
  3. Step 3: Cross multiply
    81,661,282.20x = 112,692,518.10 × 44,991,852.84
  4. Step 4: Simplify right side
    81,661,282.20x = 5,070,245,190,524,237
  5. Step 5: Solve for x
    x = 5,070,245,190,524,237/81,661,282.20
  6. Step 6: Final answer
    x = 62,088,728.64

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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.