Home / 86,407,361.85-129,611,174.02-35,289,380.67

Finding the Fourth Proportional to 86,407,361.85, 129,611,174.02 and 35,289,380.67

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Solution

The fourth proportional to 86,407,361.85, 129,611,174.02 and 35,289,380.67 is: 52,934,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,407,361.85 : 129,611,174.02 = 35,289,380.67 : x
  2. Step 2: Convert to fraction form
    86,407,361.85/129,611,174.02 = 35,289,380.67/x
  3. Step 3: Cross multiply
    86,407,361.85x = 129,611,174.02 × 35,289,380.67
  4. Step 4: Simplify right side
    86,407,361.85x = 4,573,898,058,503,129
  5. Step 5: Solve for x
    x = 4,573,898,058,503,129/86,407,361.85
  6. Step 6: Final answer
    x = 52,934,124.60

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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.