Home / 72,739,121.36-100,348,499.90-44,482,735.22

Finding the Fourth Proportional to 72,739,121.36, 100,348,499.90 and 44,482,735.22

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Solution

The fourth proportional to 72,739,121.36, 100,348,499.90 and 44,482,735.22 is: 61,366,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,739,121.36 : 100,348,499.90 = 44,482,735.22 : x
  2. Step 2: Convert to fraction form
    72,739,121.36/100,348,499.90 = 44,482,735.22/x
  3. Step 3: Cross multiply
    72,739,121.36x = 100,348,499.90 × 44,482,735.22
  4. Step 4: Simplify right side
    72,739,121.36x = 4,463,775,750,385,361.50
  5. Step 5: Solve for x
    x = 4,463,775,750,385,361.50/72,739,121.36
  6. Step 6: Final answer
    x = 61,366,918.75

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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.