Home / 89,473,688.92-133,923,458.10-47,870,489.98

Finding the Fourth Proportional to 89,473,688.92, 133,923,458.10 and 47,870,489.98

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Solution

The fourth proportional to 89,473,688.92, 133,923,458.10 and 47,870,489.98 is: 71,652,143.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,473,688.92 : 133,923,458.10 = 47,870,489.98 : x
  2. Step 2: Convert to fraction form
    89,473,688.92/133,923,458.10 = 47,870,489.98/x
  3. Step 3: Cross multiply
    89,473,688.92x = 133,923,458.10 × 47,870,489.98
  4. Step 4: Simplify right side
    89,473,688.92x = 6,410,981,559,062,999
  5. Step 5: Solve for x
    x = 6,410,981,559,062,999/89,473,688.92
  6. Step 6: Final answer
    x = 71,652,143.07

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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.