Home / 84,121,331.90-125,902,061.85-61,026,611.90

Finding the Fourth Proportional to 84,121,331.90, 125,902,061.85 and 61,026,611.90

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Solution

The fourth proportional to 84,121,331.90, 125,902,061.85 and 61,026,611.90 is: 91,336,835.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,121,331.90 : 125,902,061.85 = 61,026,611.90 : x
  2. Step 2: Convert to fraction form
    84,121,331.90/125,902,061.85 = 61,026,611.90/x
  3. Step 3: Cross multiply
    84,121,331.90x = 125,902,061.85 × 61,026,611.90
  4. Step 4: Simplify right side
    84,121,331.90x = 7,683,376,265,929,745
  5. Step 5: Solve for x
    x = 7,683,376,265,929,745/84,121,331.90
  6. Step 6: Final answer
    x = 91,336,835.64

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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.