Home / 45,955,427.28-68,939,443.80-20,395,870.80

Finding the Fourth Proportional to 45,955,427.28, 68,939,443.80 and 20,395,870.80

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Solution

The fourth proportional to 45,955,427.28, 68,939,443.80 and 20,395,870.80 is: 30,596,603.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,955,427.28 : 68,939,443.80 = 20,395,870.80 : x
  2. Step 2: Convert to fraction form
    45,955,427.28/68,939,443.80 = 20,395,870.80/x
  3. Step 3: Cross multiply
    45,955,427.28x = 68,939,443.80 × 20,395,870.80
  4. Step 4: Simplify right side
    45,955,427.28x = 1,406,079,988,768,661
  5. Step 5: Solve for x
    x = 1,406,079,988,768,661/45,955,427.28
  6. Step 6: Final answer
    x = 30,596,603.54

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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.