Home / 67,937,558.90-101,903,491.80-21,878,408.41

Finding the Fourth Proportional to 67,937,558.90, 101,903,491.80 and 21,878,408.41

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Solution

The fourth proportional to 67,937,558.90, 101,903,491.80 and 21,878,408.41 is: 32,816,695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,937,558.90 : 101,903,491.80 = 21,878,408.41 : x
  2. Step 2: Convert to fraction form
    67,937,558.90/101,903,491.80 = 21,878,408.41/x
  3. Step 3: Cross multiply
    67,937,558.90x = 101,903,491.80 × 21,878,408.41
  4. Step 4: Simplify right side
    67,937,558.90x = 2,229,486,211,750,727
  5. Step 5: Solve for x
    x = 2,229,486,211,750,727/67,937,558.90
  6. Step 6: Final answer
    x = 32,816,695.92

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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.