Home / 40,431,331.60-60,605,663.10-19,929,518.80

Finding the Fourth Proportional to 40,431,331.60, 60,605,663.10 and 19,929,518.80

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Solution

The fourth proportional to 40,431,331.60, 60,605,663.10 and 19,929,518.80 is: 29,873,903.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,431,331.60 : 60,605,663.10 = 19,929,518.80 : x
  2. Step 2: Convert to fraction form
    40,431,331.60/60,605,663.10 = 19,929,518.80/x
  3. Step 3: Cross multiply
    40,431,331.60x = 60,605,663.10 × 19,929,518.80
  4. Step 4: Simplify right side
    40,431,331.60x = 1,207,841,702,137,916.25
  5. Step 5: Solve for x
    x = 1,207,841,702,137,916.25/40,431,331.60
  6. Step 6: Final answer
    x = 29,873,903.59

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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.