Home / 72,501,389.67-100,054,083.01-44,640,173.10

Finding the Fourth Proportional to 72,501,389.67, 100,054,083.01 and 44,640,173.10

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Solution

The fourth proportional to 72,501,389.67, 100,054,083.01 and 44,640,173.10 is: 61,604,772.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,501,389.67 : 100,054,083.01 = 44,640,173.10 : x
  2. Step 2: Convert to fraction form
    72,501,389.67/100,054,083.01 = 44,640,173.10/x
  3. Step 3: Cross multiply
    72,501,389.67x = 100,054,083.01 × 44,640,173.10
  4. Step 4: Simplify right side
    72,501,389.67x = 4,466,431,585,275,694.50
  5. Step 5: Solve for x
    x = 4,466,431,585,275,694.50/72,501,389.67
  6. Step 6: Final answer
    x = 61,604,772.07

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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.