Home / 57,358,257.69-79,154,407-31,252,775.52

Finding the Fourth Proportional to 57,358,257.69, 79,154,407 and 31,252,775.52

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Solution

The fourth proportional to 57,358,257.69, 79,154,407 and 31,252,775.52 is: 43,128,836.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,358,257.69 : 79,154,407 = 31,252,775.52 : x
  2. Step 2: Convert to fraction form
    57,358,257.69/79,154,407 = 31,252,775.52/x
  3. Step 3: Cross multiply
    57,358,257.69x = 79,154,407 × 31,252,775.52
  4. Step 4: Simplify right side
    57,358,257.69x = 2,473,794,913,389,716.50
  5. Step 5: Solve for x
    x = 2,473,794,913,389,716.50/57,358,257.69
  6. Step 6: Final answer
    x = 43,128,836.42

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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.