Home / 65,610,097.20-98,415,145.80-45,202,762.80

Finding the Fourth Proportional to 65,610,097.20, 98,415,145.80 and 45,202,762.80

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Solution

The fourth proportional to 65,610,097.20, 98,415,145.80 and 45,202,762.80 is: 67,804,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,610,097.20 : 98,415,145.80 = 45,202,762.80 : x
  2. Step 2: Convert to fraction form
    65,610,097.20/98,415,145.80 = 45,202,762.80/x
  3. Step 3: Cross multiply
    65,610,097.20x = 98,415,145.80 × 45,202,762.80
  4. Step 4: Simplify right side
    65,610,097.20x = 4,448,636,491,524,816
  5. Step 5: Solve for x
    x = 4,448,636,491,524,816/65,610,097.20
  6. Step 6: Final answer
    x = 67,804,144.20

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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.