Home / 53,213,999.20-79,820,998.80-52,710,114.40

Finding the Fourth Proportional to 53,213,999.20, 79,820,998.80 and 52,710,114.40

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Solution

The fourth proportional to 53,213,999.20, 79,820,998.80 and 52,710,114.40 is: 79,065,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,213,999.20 : 79,820,998.80 = 52,710,114.40 : x
  2. Step 2: Convert to fraction form
    53,213,999.20/79,820,998.80 = 52,710,114.40/x
  3. Step 3: Cross multiply
    53,213,999.20x = 79,820,998.80 × 52,710,114.40
  4. Step 4: Simplify right side
    53,213,999.20x = 4,207,373,978,270,262.50
  5. Step 5: Solve for x
    x = 4,207,373,978,270,262.50/53,213,999.20
  6. Step 6: Final answer
    x = 79,065,171.60

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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.