Home / 53,152,783.20-79,729,174.80-52,145,013.60

Finding the Fourth Proportional to 53,152,783.20, 79,729,174.80 and 52,145,013.60

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Solution

The fourth proportional to 53,152,783.20, 79,729,174.80 and 52,145,013.60 is: 78,217,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,152,783.20 : 79,729,174.80 = 52,145,013.60 : x
  2. Step 2: Convert to fraction form
    53,152,783.20/79,729,174.80 = 52,145,013.60/x
  3. Step 3: Cross multiply
    53,152,783.20x = 79,729,174.80 × 52,145,013.60
  4. Step 4: Simplify right side
    53,152,783.20x = 4,157,478,904,262,777
  5. Step 5: Solve for x
    x = 4,157,478,904,262,777/53,152,783.20
  6. Step 6: Final answer
    x = 78,217,520.40

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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.