Home / 52,152,145.20-78,228,217.80-31,968,759.60

Finding the Fourth Proportional to 52,152,145.20, 78,228,217.80 and 31,968,759.60

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Solution

The fourth proportional to 52,152,145.20, 78,228,217.80 and 31,968,759.60 is: 47,953,139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,152,145.20 : 78,228,217.80 = 31,968,759.60 : x
  2. Step 2: Convert to fraction form
    52,152,145.20/78,228,217.80 = 31,968,759.60/x
  3. Step 3: Cross multiply
    52,152,145.20x = 78,228,217.80 × 31,968,759.60
  4. Step 4: Simplify right side
    52,152,145.20x = 2,500,859,088,784,641
  5. Step 5: Solve for x
    x = 2,500,859,088,784,641/52,152,145.20
  6. Step 6: Final answer
    x = 47,953,139.40

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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.