Home / 69,890,200.80-104,834,317.05-31,551,653.40

Finding the Fourth Proportional to 69,890,200.80, 104,834,317.05 and 31,551,653.40

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Solution

The fourth proportional to 69,890,200.80, 104,834,317.05 and 31,551,653.40 is: 47,327,035.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,890,200.80 : 104,834,317.05 = 31,551,653.40 : x
  2. Step 2: Convert to fraction form
    69,890,200.80/104,834,317.05 = 31,551,653.40/x
  3. Step 3: Cross multiply
    69,890,200.80x = 104,834,317.05 × 31,551,653.40
  4. Step 4: Simplify right side
    69,890,200.80x = 3,307,696,035,987,310
  5. Step 5: Solve for x
    x = 3,307,696,035,987,310/69,890,200.80
  6. Step 6: Final answer
    x = 47,327,035.81

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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.