Home / 72,916,918.20-100,463,841.54-48,093,301.80

Finding the Fourth Proportional to 72,916,918.20, 100,463,841.54 and 48,093,301.80

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Solution

The fourth proportional to 72,916,918.20, 100,463,841.54 and 48,093,301.80 is: 66,262,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,916,918.20 : 100,463,841.54 = 48,093,301.80 : x
  2. Step 2: Convert to fraction form
    72,916,918.20/100,463,841.54 = 48,093,301.80/x
  3. Step 3: Cross multiply
    72,916,918.20x = 100,463,841.54 × 48,093,301.80
  4. Step 4: Simplify right side
    72,916,918.20x = 4,831,637,851,170,597
  5. Step 5: Solve for x
    x = 4,831,637,851,170,597/72,916,918.20
  6. Step 6: Final answer
    x = 66,262,233.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.