Home / 220,826,133.12-304,752,047.84-126,739,527.85

Finding the Fourth Proportional to 220,826,133.12, 304,752,047.84 and 126,739,527.85

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Solution

The fourth proportional to 220,826,133.12, 304,752,047.84 and 126,739,527.85 is: 174,907,426.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,826,133.12 : 304,752,047.84 = 126,739,527.85 : x
  2. Step 2: Convert to fraction form
    220,826,133.12/304,752,047.84 = 126,739,527.85/x
  3. Step 3: Cross multiply
    220,826,133.12x = 304,752,047.84 × 126,739,527.85
  4. Step 4: Simplify right side
    220,826,133.12x = 38,624,130,653,782,520
  5. Step 5: Solve for x
    x = 38,624,130,653,782,520/220,826,133.12
  6. Step 6: Final answer
    x = 174,907,426.52

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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.