Home / 112,072,811.70-168,109,217.55-39,371,682.90

Finding the Fourth Proportional to 112,072,811.70, 168,109,217.55 and 39,371,682.90

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Solution

The fourth proportional to 112,072,811.70, 168,109,217.55 and 39,371,682.90 is: 59,057,524.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,072,811.70 : 168,109,217.55 = 39,371,682.90 : x
  2. Step 2: Convert to fraction form
    112,072,811.70/168,109,217.55 = 39,371,682.90/x
  3. Step 3: Cross multiply
    112,072,811.70x = 168,109,217.55 × 39,371,682.90
  4. Step 4: Simplify right side
    112,072,811.70x = 6,618,742,805,945,715
  5. Step 5: Solve for x
    x = 6,618,742,805,945,715/112,072,811.70
  6. Step 6: Final answer
    x = 59,057,524.35

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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.