Home / 144,466,732.70-216,700,099.05-67,939,228.70

Finding the Fourth Proportional to 144,466,732.70, 216,700,099.05 and 67,939,228.70

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Solution

The fourth proportional to 144,466,732.70, 216,700,099.05 and 67,939,228.70 is: 101,908,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,466,732.70 : 216,700,099.05 = 67,939,228.70 : x
  2. Step 2: Convert to fraction form
    144,466,732.70/216,700,099.05 = 67,939,228.70/x
  3. Step 3: Cross multiply
    144,466,732.70x = 216,700,099.05 × 67,939,228.70
  4. Step 4: Simplify right side
    144,466,732.70x = 14,722,437,588,670,604
  5. Step 5: Solve for x
    x = 14,722,437,588,670,604/144,466,732.70
  6. Step 6: Final answer
    x = 101,908,843.05

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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.