Home / 124,394,271-171,726,241.50-77,366,503.68

Finding the Fourth Proportional to 124,394,271, 171,726,241.50 and 77,366,503.68

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Solution

The fourth proportional to 124,394,271, 171,726,241.50 and 77,366,503.68 is: 106,804,427.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,394,271 : 171,726,241.50 = 77,366,503.68 : x
  2. Step 2: Convert to fraction form
    124,394,271/171,726,241.50 = 77,366,503.68/x
  3. Step 3: Cross multiply
    124,394,271x = 171,726,241.50 × 77,366,503.68
  4. Step 4: Simplify right side
    124,394,271x = 13,285,858,894,962,320
  5. Step 5: Solve for x
    x = 13,285,858,894,962,320/124,394,271
  6. Step 6: Final answer
    x = 106,804,427.47

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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.