Home / 49,920,007.70-74,880,011.55-28,346,273.30

Finding the Fourth Proportional to 49,920,007.70, 74,880,011.55 and 28,346,273.30

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Solution

The fourth proportional to 49,920,007.70, 74,880,011.55 and 28,346,273.30 is: 42,519,409.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,920,007.70 : 74,880,011.55 = 28,346,273.30 : x
  2. Step 2: Convert to fraction form
    49,920,007.70/74,880,011.55 = 28,346,273.30/x
  3. Step 3: Cross multiply
    49,920,007.70x = 74,880,011.55 × 28,346,273.30
  4. Step 4: Simplify right side
    49,920,007.70x = 2,122,569,272,103,456.50
  5. Step 5: Solve for x
    x = 2,122,569,272,103,456.50/49,920,007.70
  6. Step 6: Final answer
    x = 42,519,409.95

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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.