Home / 119,432,154.54-164,731,472.57-79,719,662.61

Finding the Fourth Proportional to 119,432,154.54, 164,731,472.57 and 79,719,662.61

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Solution

The fourth proportional to 119,432,154.54, 164,731,472.57 and 79,719,662.61 is: 109,956,464.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,432,154.54 : 164,731,472.57 = 79,719,662.61 : x
  2. Step 2: Convert to fraction form
    119,432,154.54/164,731,472.57 = 79,719,662.61/x
  3. Step 3: Cross multiply
    119,432,154.54x = 164,731,472.57 × 79,719,662.61
  4. Step 4: Simplify right side
    119,432,154.54x = 13,132,337,414,130,272
  5. Step 5: Solve for x
    x = 13,132,337,414,130,272/119,432,154.54
  6. Step 6: Final answer
    x = 109,956,464.11

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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.