Home / 53,028,990.60-79,543,486.16-16,642,996.80

Finding the Fourth Proportional to 53,028,990.60, 79,543,486.16 and 16,642,996.80

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Solution

The fourth proportional to 53,028,990.60, 79,543,486.16 and 16,642,996.80 is: 24,964,495.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,028,990.60 : 79,543,486.16 = 16,642,996.80 : x
  2. Step 2: Convert to fraction form
    53,028,990.60/79,543,486.16 = 16,642,996.80/x
  3. Step 3: Cross multiply
    53,028,990.60x = 79,543,486.16 × 16,642,996.80
  4. Step 4: Simplify right side
    53,028,990.60x = 1,323,841,985,621,724.25
  5. Step 5: Solve for x
    x = 1,323,841,985,621,724.25/53,028,990.60
  6. Step 6: Final answer
    x = 24,964,495.28

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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.