Home / 103,580,485-142,941,069.30-57,795,397

Finding the Fourth Proportional to 103,580,485, 142,941,069.30 and 57,795,397

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Solution

The fourth proportional to 103,580,485, 142,941,069.30 and 57,795,397 is: 79,757,647.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,580,485 : 142,941,069.30 = 57,795,397 : x
  2. Step 2: Convert to fraction form
    103,580,485/142,941,069.30 = 57,795,397/x
  3. Step 3: Cross multiply
    103,580,485x = 142,941,069.30 × 57,795,397
  4. Step 4: Simplify right side
    103,580,485x = 8,261,335,847,798,013
  5. Step 5: Solve for x
    x = 8,261,335,847,798,013/103,580,485
  6. Step 6: Final answer
    x = 79,757,647.86

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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.