Home / 71,364,419.30-98,298,688.69-50,420,095.04

Finding the Fourth Proportional to 71,364,419.30, 98,298,688.69 and 50,420,095.04

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Solution

The fourth proportional to 71,364,419.30, 98,298,688.69 and 50,420,095.04 is: 69,449,583.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,364,419.30 : 98,298,688.69 = 50,420,095.04 : x
  2. Step 2: Convert to fraction form
    71,364,419.30/98,298,688.69 = 50,420,095.04/x
  3. Step 3: Cross multiply
    71,364,419.30x = 98,298,688.69 × 50,420,095.04
  4. Step 4: Simplify right side
    71,364,419.30x = 4,956,229,226,057,173
  5. Step 5: Solve for x
    x = 4,956,229,226,057,173/71,364,419.30
  6. Step 6: Final answer
    x = 69,449,583.91

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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.