Home / 72,560,104.92-100,132,946.01-39,965,056.92

Finding the Fourth Proportional to 72,560,104.92, 100,132,946.01 and 39,965,056.92

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Solution

The fourth proportional to 72,560,104.92, 100,132,946.01 and 39,965,056.92 is: 55,151,779.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,560,104.92 : 100,132,946.01 = 39,965,056.92 : x
  2. Step 2: Convert to fraction form
    72,560,104.92/100,132,946.01 = 39,965,056.92/x
  3. Step 3: Cross multiply
    72,560,104.92x = 100,132,946.01 × 39,965,056.92
  4. Step 4: Simplify right side
    72,560,104.92x = 4,001,818,886,856,937.50
  5. Step 5: Solve for x
    x = 4,001,818,886,856,937.50/72,560,104.92
  6. Step 6: Final answer
    x = 55,151,779.22

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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.