Home / 99,470,584.80-149,161,640.40-45,634,399.20

Finding the Fourth Proportional to 99,470,584.80, 149,161,640.40 and 45,634,399.20

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Solution

The fourth proportional to 99,470,584.80, 149,161,640.40 and 45,634,399.20 is: 68,431,304.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,470,584.80 : 149,161,640.40 = 45,634,399.20 : x
  2. Step 2: Convert to fraction form
    99,470,584.80/149,161,640.40 = 45,634,399.20/x
  3. Step 3: Cross multiply
    99,470,584.80x = 149,161,640.40 × 45,634,399.20
  4. Step 4: Simplify right side
    99,470,584.80x = 6,806,901,843,340,448
  5. Step 5: Solve for x
    x = 6,806,901,843,340,448/99,470,584.80
  6. Step 6: Final answer
    x = 68,431,304.16

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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.