Home / 71,913,751.74-107,947,391.04-30,993,385.23

Finding the Fourth Proportional to 71,913,751.74, 107,947,391.04 and 30,993,385.23

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Solution

The fourth proportional to 71,913,751.74, 107,947,391.04 and 30,993,385.23 is: 46,523,161.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,913,751.74 : 107,947,391.04 = 30,993,385.23 : x
  2. Step 2: Convert to fraction form
    71,913,751.74/107,947,391.04 = 30,993,385.23/x
  3. Step 3: Cross multiply
    71,913,751.74x = 107,947,391.04 × 30,993,385.23
  4. Step 4: Simplify right side
    71,913,751.74x = 3,345,655,075,076,170.50
  5. Step 5: Solve for x
    x = 3,345,655,075,076,170.50/71,913,751.74
  6. Step 6: Final answer
    x = 46,523,161.34

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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.