Home / 318,323,814.68-477,485,681.88-88,292,898.56

Finding the Fourth Proportional to 318,323,814.68, 477,485,681.88 and 88,292,898.56

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Solution

The fourth proportional to 318,323,814.68, 477,485,681.88 and 88,292,898.56 is: 132,439,336.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,323,814.68 : 477,485,681.88 = 88,292,898.56 : x
  2. Step 2: Convert to fraction form
    318,323,814.68/477,485,681.88 = 88,292,898.56/x
  3. Step 3: Cross multiply
    318,323,814.68x = 477,485,681.88 × 88,292,898.56
  4. Step 4: Simplify right side
    318,323,814.68x = 42,158,594,874,083,272
  5. Step 5: Solve for x
    x = 42,158,594,874,083,272/318,323,814.68
  6. Step 6: Final answer
    x = 132,439,336.71

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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.