Home / 53,489,109.20-80,233,663.80-52,985,224.40

Finding the Fourth Proportional to 53,489,109.20, 80,233,663.80 and 52,985,224.40

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Solution

The fourth proportional to 53,489,109.20, 80,233,663.80 and 52,985,224.40 is: 79,477,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,489,109.20 : 80,233,663.80 = 52,985,224.40 : x
  2. Step 2: Convert to fraction form
    53,489,109.20/80,233,663.80 = 52,985,224.40/x
  3. Step 3: Cross multiply
    53,489,109.20x = 80,233,663.80 × 52,985,224.40
  4. Step 4: Simplify right side
    53,489,109.20x = 4,251,198,680,877,156.50
  5. Step 5: Solve for x
    x = 4,251,198,680,877,156.50/53,489,109.20
  6. Step 6: Final answer
    x = 79,477,836.60

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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.