Home / 215,863,944.57-323,818,599.69-70,308,839.97

Finding the Fourth Proportional to 215,863,944.57, 323,818,599.69 and 70,308,839.97

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Solution

The fourth proportional to 215,863,944.57, 323,818,599.69 and 70,308,839.97 is: 105,470,647.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,863,944.57 : 323,818,599.69 = 70,308,839.97 : x
  2. Step 2: Convert to fraction form
    215,863,944.57/323,818,599.69 = 70,308,839.97/x
  3. Step 3: Cross multiply
    215,863,944.57x = 323,818,599.69 × 70,308,839.97
  4. Step 4: Simplify right side
    215,863,944.57x = 22,767,310,104,913,700
  5. Step 5: Solve for x
    x = 22,767,310,104,913,700/215,863,944.57
  6. Step 6: Final answer
    x = 105,470,647.96

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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.