Home / 318,323,812.68-477,485,678.88-88,292,896.56

Finding the Fourth Proportional to 318,323,812.68, 477,485,678.88 and 88,292,896.56

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Solution

The fourth proportional to 318,323,812.68, 477,485,678.88 and 88,292,896.56 is: 132,439,333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,323,812.68 : 477,485,678.88 = 88,292,896.56 : x
  2. Step 2: Convert to fraction form
    318,323,812.68/477,485,678.88 = 88,292,896.56/x
  3. Step 3: Cross multiply
    318,323,812.68x = 477,485,678.88 × 88,292,896.56
  4. Step 4: Simplify right side
    318,323,812.68x = 42,158,593,654,233,216
  5. Step 5: Solve for x
    x = 42,158,593,654,233,216/318,323,812.68
  6. Step 6: Final answer
    x = 132,439,333.71

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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.