Home / 47,235,277.20-70,852,915.80-19,972,353.90

Finding the Fourth Proportional to 47,235,277.20, 70,852,915.80 and 19,972,353.90

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Solution

The fourth proportional to 47,235,277.20, 70,852,915.80 and 19,972,353.90 is: 29,958,530.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,235,277.20 : 70,852,915.80 = 19,972,353.90 : x
  2. Step 2: Convert to fraction form
    47,235,277.20/70,852,915.80 = 19,972,353.90/x
  3. Step 3: Cross multiply
    47,235,277.20x = 70,852,915.80 × 19,972,353.90
  4. Step 4: Simplify right side
    47,235,277.20x = 1,415,099,509,204,501.50
  5. Step 5: Solve for x
    x = 1,415,099,509,204,501.50/47,235,277.20
  6. Step 6: Final answer
    x = 29,958,530.85

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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.