Home / 67,312,969.72-92,891,894.24-36,373,138

Finding the Fourth Proportional to 67,312,969.72, 92,891,894.24 and 36,373,138

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Solution

The fourth proportional to 67,312,969.72, 92,891,894.24 and 36,373,138 is: 50,194,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,312,969.72 : 92,891,894.24 = 36,373,138 : x
  2. Step 2: Convert to fraction form
    67,312,969.72/92,891,894.24 = 36,373,138/x
  3. Step 3: Cross multiply
    67,312,969.72x = 92,891,894.24 × 36,373,138
  4. Step 4: Simplify right side
    67,312,969.72x = 3,378,769,688,272,925
  5. Step 5: Solve for x
    x = 3,378,769,688,272,925/67,312,969.72
  6. Step 6: Final answer
    x = 50,194,928.29

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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.