Home / 131,890,906.83-182,031,246.32-73,172,489.67

Finding the Fourth Proportional to 131,890,906.83, 182,031,246.32 and 73,172,489.67

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Solution

The fourth proportional to 131,890,906.83, 182,031,246.32 and 73,172,489.67 is: 100,990,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,890,906.83 : 182,031,246.32 = 73,172,489.67 : x
  2. Step 2: Convert to fraction form
    131,890,906.83/182,031,246.32 = 73,172,489.67/x
  3. Step 3: Cross multiply
    131,890,906.83x = 182,031,246.32 × 73,172,489.67
  4. Step 4: Simplify right side
    131,890,906.83x = 13,319,679,490,601,564
  5. Step 5: Solve for x
    x = 13,319,679,490,601,564/131,890,906.83
  6. Step 6: Final answer
    x = 100,990,127.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.