Home / 54,971,646.30-75,852,642.78-31,446,442.62

Finding the Fourth Proportional to 54,971,646.30, 75,852,642.78 and 31,446,442.62

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Solution

The fourth proportional to 54,971,646.30, 75,852,642.78 and 31,446,442.62 is: 43,391,383.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,971,646.30 : 75,852,642.78 = 31,446,442.62 : x
  2. Step 2: Convert to fraction form
    54,971,646.30/75,852,642.78 = 31,446,442.62/x
  3. Step 3: Cross multiply
    54,971,646.30x = 75,852,642.78 × 31,446,442.62
  4. Step 4: Simplify right side
    54,971,646.30x = 2,385,295,778,756,627.50
  5. Step 5: Solve for x
    x = 2,385,295,778,756,627.50/54,971,646.30
  6. Step 6: Final answer
    x = 43,391,383.36

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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.