Home / 72,617,999.70-108,801,028.35-47,045,846.10

Finding the Fourth Proportional to 72,617,999.70, 108,801,028.35 and 47,045,846.10

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Solution

The fourth proportional to 72,617,999.70, 108,801,028.35 and 47,045,846.10 is: 70,487,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,617,999.70 : 108,801,028.35 = 47,045,846.10 : x
  2. Step 2: Convert to fraction form
    72,617,999.70/108,801,028.35 = 47,045,846.10/x
  3. Step 3: Cross multiply
    72,617,999.70x = 108,801,028.35 × 47,045,846.10
  4. Step 4: Simplify right side
    72,617,999.70x = 5,118,636,435,275,837
  5. Step 5: Solve for x
    x = 5,118,636,435,275,837/72,617,999.70
  6. Step 6: Final answer
    x = 70,487,158.23

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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.