Home / 79,812,013.66-119,660,537.59-49,043,012.25

Finding the Fourth Proportional to 79,812,013.66, 119,660,537.59 and 49,043,012.25

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Solution

The fourth proportional to 79,812,013.66, 119,660,537.59 and 49,043,012.25 is: 73,529,196.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,812,013.66 : 119,660,537.59 = 49,043,012.25 : x
  2. Step 2: Convert to fraction form
    79,812,013.66/119,660,537.59 = 49,043,012.25/x
  3. Step 3: Cross multiply
    79,812,013.66x = 119,660,537.59 × 49,043,012.25
  4. Step 4: Simplify right side
    79,812,013.66x = 5,868,513,210,867,956
  5. Step 5: Solve for x
    x = 5,868,513,210,867,956/79,812,013.66
  6. Step 6: Final answer
    x = 73,529,196.19

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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.