Home / 80,839,901.70-121,259,852.55-29,711,340.90

Finding the Fourth Proportional to 80,839,901.70, 121,259,852.55 and 29,711,340.90

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Solution

The fourth proportional to 80,839,901.70, 121,259,852.55 and 29,711,340.90 is: 44,567,011.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,839,901.70 : 121,259,852.55 = 29,711,340.90 : x
  2. Step 2: Convert to fraction form
    80,839,901.70/121,259,852.55 = 29,711,340.90/x
  3. Step 3: Cross multiply
    80,839,901.70x = 121,259,852.55 × 29,711,340.90
  4. Step 4: Simplify right side
    80,839,901.70x = 3,602,792,816,596,784
  5. Step 5: Solve for x
    x = 3,602,792,816,596,784/80,839,901.70
  6. Step 6: Final answer
    x = 44,567,011.35

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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.