Home / 79,359,361.20-109,527,871.14-48,437,499.42

Finding the Fourth Proportional to 79,359,361.20, 109,527,871.14 and 48,437,499.42

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Solution

The fourth proportional to 79,359,361.20, 109,527,871.14 and 48,437,499.42 is: 66,851,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,359,361.20 : 109,527,871.14 = 48,437,499.42 : x
  2. Step 2: Convert to fraction form
    79,359,361.20/109,527,871.14 = 48,437,499.42/x
  3. Step 3: Cross multiply
    79,359,361.20x = 109,527,871.14 × 48,437,499.42
  4. Step 4: Simplify right side
    79,359,361.20x = 5,305,256,194,817,585
  5. Step 5: Solve for x
    x = 5,305,256,194,817,585/79,359,361.20
  6. Step 6: Final answer
    x = 66,851,044.60

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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.