Home / 212,870,207.70-319,305,311.55-59,516,018.10

Finding the Fourth Proportional to 212,870,207.70, 319,305,311.55 and 59,516,018.10

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Solution

The fourth proportional to 212,870,207.70, 319,305,311.55 and 59,516,018.10 is: 89,274,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,870,207.70 : 319,305,311.55 = 59,516,018.10 : x
  2. Step 2: Convert to fraction form
    212,870,207.70/319,305,311.55 = 59,516,018.10/x
  3. Step 3: Cross multiply
    212,870,207.70x = 319,305,311.55 × 59,516,018.10
  4. Step 4: Simplify right side
    212,870,207.70x = 19,003,780,701,635,940
  5. Step 5: Solve for x
    x = 19,003,780,701,635,940/212,870,207.70
  6. Step 6: Final answer
    x = 89,274,027.15

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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.