Home / 128,466,794.70-192,636,428.85-46,582,404.30

Finding the Fourth Proportional to 128,466,794.70, 192,636,428.85 and 46,582,404.30

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Solution

The fourth proportional to 128,466,794.70, 192,636,428.85 and 46,582,404.30 is: 69,850,485.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,466,794.70 : 192,636,428.85 = 46,582,404.30 : x
  2. Step 2: Convert to fraction form
    128,466,794.70/192,636,428.85 = 46,582,404.30/x
  3. Step 3: Cross multiply
    128,466,794.70x = 192,636,428.85 × 46,582,404.30
  4. Step 4: Simplify right side
    128,466,794.70x = 8,973,468,011,598,883
  5. Step 5: Solve for x
    x = 8,973,468,011,598,883/128,466,794.70
  6. Step 6: Final answer
    x = 69,850,485.74

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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.