Home / 80,569,228.68-120,877,897.50-75,756,817.80

Finding the Fourth Proportional to 80,569,228.68, 120,877,897.50 and 75,756,817.80

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Solution

The fourth proportional to 80,569,228.68, 120,877,897.50 and 75,756,817.80 is: 113,657,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,569,228.68 : 120,877,897.50 = 75,756,817.80 : x
  2. Step 2: Convert to fraction form
    80,569,228.68/120,877,897.50 = 75,756,817.80/x
  3. Step 3: Cross multiply
    80,569,228.68x = 120,877,897.50 × 75,756,817.80
  4. Step 4: Simplify right side
    80,569,228.68x = 9,157,324,856,954,576
  5. Step 5: Solve for x
    x = 9,157,324,856,954,576/80,569,228.68
  6. Step 6: Final answer
    x = 113,657,844.40

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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.