Home / 215,674,705.80-322,840,212.30-155,208,529.80

Finding the Fourth Proportional to 215,674,705.80, 322,840,212.30 and 155,208,529.80

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Solution

The fourth proportional to 215,674,705.80, 322,840,212.30 and 155,208,529.80 is: 232,329,305.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,674,705.80 : 322,840,212.30 = 155,208,529.80 : x
  2. Step 2: Convert to fraction form
    215,674,705.80/322,840,212.30 = 155,208,529.80/x
  3. Step 3: Cross multiply
    215,674,705.80x = 322,840,212.30 × 155,208,529.80
  4. Step 4: Simplify right side
    215,674,705.80x = 50,107,554,711,402,880
  5. Step 5: Solve for x
    x = 50,107,554,711,402,880/215,674,705.80
  6. Step 6: Final answer
    x = 232,329,305.96

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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.