Home / 72,048,558.92-99,426,879.87-39,008,804

Finding the Fourth Proportional to 72,048,558.92, 99,426,879.87 and 39,008,804

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Solution

The fourth proportional to 72,048,558.92, 99,426,879.87 and 39,008,804 is: 53,832,078.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,048,558.92 : 99,426,879.87 = 39,008,804 : x
  2. Step 2: Convert to fraction form
    72,048,558.92/99,426,879.87 = 39,008,804/x
  3. Step 3: Cross multiply
    72,048,558.92x = 99,426,879.87 × 39,008,804
  4. Step 4: Simplify right side
    72,048,558.92x = 3,878,523,669,180,375.50
  5. Step 5: Solve for x
    x = 3,878,523,669,180,375.50/72,048,558.92
  6. Step 6: Final answer
    x = 53,832,078.36

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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.