Home / 72,151,847.52-99,569,682.44-39,111,994.47

Finding the Fourth Proportional to 72,151,847.52, 99,569,682.44 and 39,111,994.47

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Solution

The fourth proportional to 72,151,847.52, 99,569,682.44 and 39,111,994.47 is: 53,974,624.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,151,847.52 : 99,569,682.44 = 39,111,994.47 : x
  2. Step 2: Convert to fraction form
    72,151,847.52/99,569,682.44 = 39,111,994.47/x
  3. Step 3: Cross multiply
    72,151,847.52x = 99,569,682.44 × 39,111,994.47
  4. Step 4: Simplify right side
    72,151,847.52x = 3,894,368,869,103,745.50
  5. Step 5: Solve for x
    x = 3,894,368,869,103,745.50/72,151,847.52
  6. Step 6: Final answer
    x = 53,974,624.39

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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.