Home / 79,322,876.91-119,017,947.15-38,412,797.76

Finding the Fourth Proportional to 79,322,876.91, 119,017,947.15 and 38,412,797.76

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Solution

The fourth proportional to 79,322,876.91, 119,017,947.15 and 38,412,797.76 is: 57,635,483.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,322,876.91 : 119,017,947.15 = 38,412,797.76 : x
  2. Step 2: Convert to fraction form
    79,322,876.91/119,017,947.15 = 38,412,797.76/x
  3. Step 3: Cross multiply
    79,322,876.91x = 119,017,947.15 × 38,412,797.76
  4. Step 4: Simplify right side
    79,322,876.91x = 4,571,812,333,683,318
  5. Step 5: Solve for x
    x = 4,571,812,333,683,318/79,322,876.91
  6. Step 6: Final answer
    x = 57,635,483.13

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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.