Home / 71,994,226.38-99,351,968.19-40,638,875.28

Finding the Fourth Proportional to 71,994,226.38, 99,351,968.19 and 40,638,875.28

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Solution

The fourth proportional to 71,994,226.38, 99,351,968.19 and 40,638,875.28 is: 56,081,611.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,994,226.38 : 99,351,968.19 = 40,638,875.28 : x
  2. Step 2: Convert to fraction form
    71,994,226.38/99,351,968.19 = 40,638,875.28/x
  3. Step 3: Cross multiply
    71,994,226.38x = 99,351,968.19 × 40,638,875.28
  4. Step 4: Simplify right side
    71,994,226.38x = 4,037,552,244,095,937.50
  5. Step 5: Solve for x
    x = 4,037,552,244,095,937.50/71,994,226.38
  6. Step 6: Final answer
    x = 56,081,611.64

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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.