Home / 105,085,943.82-157,643,959.50-32,308,835.40

Finding the Fourth Proportional to 105,085,943.82, 157,643,959.50 and 32,308,835.40

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Solution

The fourth proportional to 105,085,943.82, 157,643,959.50 and 32,308,835.40 is: 48,467,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,085,943.82 : 157,643,959.50 = 32,308,835.40 : x
  2. Step 2: Convert to fraction form
    105,085,943.82/157,643,959.50 = 32,308,835.40/x
  3. Step 3: Cross multiply
    105,085,943.82x = 157,643,959.50 × 32,308,835.40
  4. Step 4: Simplify right side
    105,085,943.82x = 5,093,292,739,289,766
  5. Step 5: Solve for x
    x = 5,093,292,739,289,766/105,085,943.82
  6. Step 6: Final answer
    x = 48,467,878.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.