Home / 72,372,824.60-99,875,269.26-39,333,075.44

Finding the Fourth Proportional to 72,372,824.60, 99,875,269.26 and 39,333,075.44

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Solution

The fourth proportional to 72,372,824.60, 99,875,269.26 and 39,333,075.44 is: 54,280,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,372,824.60 : 99,875,269.26 = 39,333,075.44 : x
  2. Step 2: Convert to fraction form
    72,372,824.60/99,875,269.26 = 39,333,075.44/x
  3. Step 3: Cross multiply
    72,372,824.60x = 99,875,269.26 × 39,333,075.44
  4. Step 4: Simplify right side
    72,372,824.60x = 3,928,401,499,894,517
  5. Step 5: Solve for x
    x = 3,928,401,499,894,517/72,372,824.60
  6. Step 6: Final answer
    x = 54,280,063.30

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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.