Home / 51,188,642.40-70,641,166.32-30,563,891.04

Finding the Fourth Proportional to 51,188,642.40, 70,641,166.32 and 30,563,891.04

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Solution

The fourth proportional to 51,188,642.40, 70,641,166.32 and 30,563,891.04 is: 42,178,671.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,188,642.40 : 70,641,166.32 = 30,563,891.04 : x
  2. Step 2: Convert to fraction form
    51,188,642.40/70,641,166.32 = 30,563,891.04/x
  3. Step 3: Cross multiply
    51,188,642.40x = 70,641,166.32 × 30,563,891.04
  4. Step 4: Simplify right side
    51,188,642.40x = 2,159,068,910,342,997.50
  5. Step 5: Solve for x
    x = 2,159,068,910,342,997.50/51,188,642.40
  6. Step 6: Final answer
    x = 42,178,671.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.