Home / 48,492,814.20-72,739,221.30-43,231,548.30

Finding the Fourth Proportional to 48,492,814.20, 72,739,221.30 and 43,231,548.30

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Solution

The fourth proportional to 48,492,814.20, 72,739,221.30 and 43,231,548.30 is: 64,847,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,492,814.20 : 72,739,221.30 = 43,231,548.30 : x
  2. Step 2: Convert to fraction form
    48,492,814.20/72,739,221.30 = 43,231,548.30/x
  3. Step 3: Cross multiply
    48,492,814.20x = 72,739,221.30 × 43,231,548.30
  4. Step 4: Simplify right side
    48,492,814.20x = 3,144,629,158,935,338.50
  5. Step 5: Solve for x
    x = 3,144,629,158,935,338.50/48,492,814.20
  6. Step 6: Final answer
    x = 64,847,322.45

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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.