Home / 72,937,157.76-100,646,513.28-40,341,409.92

Finding the Fourth Proportional to 72,937,157.76, 100,646,513.28 and 40,341,409.92

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Solution

The fourth proportional to 72,937,157.76, 100,646,513.28 and 40,341,409.92 is: 55,667,404.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,937,157.76 : 100,646,513.28 = 40,341,409.92 : x
  2. Step 2: Convert to fraction form
    72,937,157.76/100,646,513.28 = 40,341,409.92/x
  3. Step 3: Cross multiply
    72,937,157.76x = 100,646,513.28 × 40,341,409.92
  4. Step 4: Simplify right side
    72,937,157.76x = 4,060,222,249,247,204
  5. Step 5: Solve for x
    x = 4,060,222,249,247,204/72,937,157.76
  6. Step 6: Final answer
    x = 55,667,404.30

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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.