Home / 76,208,930.32-105,169,060.96-41,401,869.92

Finding the Fourth Proportional to 76,208,930.32, 105,169,060.96 and 41,401,869.92

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Solution

The fourth proportional to 76,208,930.32, 105,169,060.96 and 41,401,869.92 is: 57,134,980.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,208,930.32 : 105,169,060.96 = 41,401,869.92 : x
  2. Step 2: Convert to fraction form
    76,208,930.32/105,169,060.96 = 41,401,869.92/x
  3. Step 3: Cross multiply
    76,208,930.32x = 105,169,060.96 × 41,401,869.92
  4. Step 4: Simplify right side
    76,208,930.32x = 4,354,195,781,474,470
  5. Step 5: Solve for x
    x = 4,354,195,781,474,470/76,208,930.32
  6. Step 6: Final answer
    x = 57,134,980.94

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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.