Home / 259,737,905.55-389,606,902.61-65,649,878.67

Finding the Fourth Proportional to 259,737,905.55, 389,606,902.61 and 65,649,878.67

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Solution

The fourth proportional to 259,737,905.55, 389,606,902.61 and 65,649,878.67 is: 98,474,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,737,905.55 : 389,606,902.61 = 65,649,878.67 : x
  2. Step 2: Convert to fraction form
    259,737,905.55/389,606,902.61 = 65,649,878.67/x
  3. Step 3: Cross multiply
    259,737,905.55x = 389,606,902.61 × 65,649,878.67
  4. Step 4: Simplify right side
    259,737,905.55x = 25,577,645,885,012,760
  5. Step 5: Solve for x
    x = 25,577,645,885,012,760/259,737,905.55
  6. Step 6: Final answer
    x = 98,474,829.20

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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.