Home / 212,870,351.70-319,305,527.55-59,516,162.10

Finding the Fourth Proportional to 212,870,351.70, 319,305,527.55 and 59,516,162.10

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Solution

The fourth proportional to 212,870,351.70, 319,305,527.55 and 59,516,162.10 is: 89,274,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,870,351.70 : 319,305,527.55 = 59,516,162.10 : x
  2. Step 2: Convert to fraction form
    212,870,351.70/319,305,527.55 = 59,516,162.10/x
  3. Step 3: Cross multiply
    212,870,351.70x = 319,305,527.55 × 59,516,162.10
  4. Step 4: Simplify right side
    212,870,351.70x = 19,003,839,537,091,816
  5. Step 5: Solve for x
    x = 19,003,839,537,091,816/212,870,351.70
  6. Step 6: Final answer
    x = 89,274,243.15

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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.