Home / 68,338,486.18-94,307,049.51-38,575,400.41

Finding the Fourth Proportional to 68,338,486.18, 94,307,049.51 and 38,575,400.41

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Solution

The fourth proportional to 68,338,486.18, 94,307,049.51 and 38,575,400.41 is: 53,234,017.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,338,486.18 : 94,307,049.51 = 38,575,400.41 : x
  2. Step 2: Convert to fraction form
    68,338,486.18/94,307,049.51 = 38,575,400.41/x
  3. Step 3: Cross multiply
    68,338,486.18x = 94,307,049.51 × 38,575,400.41
  4. Step 4: Simplify right side
    68,338,486.18x = 3,637,932,195,862,409.50
  5. Step 5: Solve for x
    x = 3,637,932,195,862,409.50/68,338,486.18
  6. Step 6: Final answer
    x = 53,234,017.89

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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.