Home / 124,749,662.20-172,147,560.04-68,223,244.69

Finding the Fourth Proportional to 124,749,662.20, 172,147,560.04 and 68,223,244.69

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Solution

The fourth proportional to 124,749,662.20, 172,147,560.04 and 68,223,244.69 is: 94,144,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,749,662.20 : 172,147,560.04 = 68,223,244.69 : x
  2. Step 2: Convert to fraction form
    124,749,662.20/172,147,560.04 = 68,223,244.69/x
  3. Step 3: Cross multiply
    124,749,662.20x = 172,147,560.04 × 68,223,244.69
  4. Step 4: Simplify right side
    124,749,662.20x = 11,744,465,111,135,574
  5. Step 5: Solve for x
    x = 11,744,465,111,135,574/124,749,662.20
  6. Step 6: Final answer
    x = 94,144,263.84

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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.