Home / 64,942,273.64-89,586,360.02-40,154,536.80

Finding the Fourth Proportional to 64,942,273.64, 89,586,360.02 and 40,154,536.80

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Solution

The fourth proportional to 64,942,273.64, 89,586,360.02 and 40,154,536.80 is: 55,392,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,942,273.64 : 89,586,360.02 = 40,154,536.80 : x
  2. Step 2: Convert to fraction form
    64,942,273.64/89,586,360.02 = 40,154,536.80/x
  3. Step 3: Cross multiply
    64,942,273.64x = 89,586,360.02 × 40,154,536.80
  4. Step 4: Simplify right side
    64,942,273.64x = 3,597,298,790,201,138.50
  5. Step 5: Solve for x
    x = 3,597,298,790,201,138.50/64,942,273.64
  6. Step 6: Final answer
    x = 55,392,252.05

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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.