Home / 64,516,911.20-96,775,366.80-40,629,039.20

Finding the Fourth Proportional to 64,516,911.20, 96,775,366.80 and 40,629,039.20

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Solution

The fourth proportional to 64,516,911.20, 96,775,366.80 and 40,629,039.20 is: 60,943,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,516,911.20 : 96,775,366.80 = 40,629,039.20 : x
  2. Step 2: Convert to fraction form
    64,516,911.20/96,775,366.80 = 40,629,039.20/x
  3. Step 3: Cross multiply
    64,516,911.20x = 96,775,366.80 × 40,629,039.20
  4. Step 4: Simplify right side
    64,516,911.20x = 3,931,890,171,311,578.50
  5. Step 5: Solve for x
    x = 3,931,890,171,311,578.50/64,516,911.20
  6. Step 6: Final answer
    x = 60,943,558.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.