Home / 49,920,005.70-74,880,008.55-28,346,271.30

Finding the Fourth Proportional to 49,920,005.70, 74,880,008.55 and 28,346,271.30

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Solution

The fourth proportional to 49,920,005.70, 74,880,008.55 and 28,346,271.30 is: 42,519,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,920,005.70 : 74,880,008.55 = 28,346,271.30 : x
  2. Step 2: Convert to fraction form
    49,920,005.70/74,880,008.55 = 28,346,271.30/x
  3. Step 3: Cross multiply
    49,920,005.70x = 74,880,008.55 × 28,346,271.30
  4. Step 4: Simplify right side
    49,920,005.70x = 2,122,569,037,304,619.50
  5. Step 5: Solve for x
    x = 2,122,569,037,304,619.50/49,920,005.70
  6. Step 6: Final answer
    x = 42,519,406.95

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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.