Home / 45,729,421.14-68,607,606.44-18,421,661.64

Finding the Fourth Proportional to 45,729,421.14, 68,607,606.44 and 18,421,661.64

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Solution

The fourth proportional to 45,729,421.14, 68,607,606.44 and 18,421,661.64 is: 27,637,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,729,421.14 : 68,607,606.44 = 18,421,661.64 : x
  2. Step 2: Convert to fraction form
    45,729,421.14/68,607,606.44 = 18,421,661.64/x
  3. Step 3: Cross multiply
    45,729,421.14x = 68,607,606.44 × 18,421,661.64
  4. Step 4: Simplify right side
    45,729,421.14x = 1,263,866,111,814,019
  5. Step 5: Solve for x
    x = 1,263,866,111,814,019/45,729,421.14
  6. Step 6: Final answer
    x = 27,637,920.63

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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.