Home / 56,485,500.40-84,742,684.80-18,147,390.40

Finding the Fourth Proportional to 56,485,500.40, 84,742,684.80 and 18,147,390.40

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Solution

The fourth proportional to 56,485,500.40, 84,742,684.80 and 18,147,390.40 is: 27,225,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,485,500.40 : 84,742,684.80 = 18,147,390.40 : x
  2. Step 2: Convert to fraction form
    56,485,500.40/84,742,684.80 = 18,147,390.40/x
  3. Step 3: Cross multiply
    56,485,500.40x = 84,742,684.80 × 18,147,390.40
  4. Step 4: Simplify right side
    56,485,500.40x = 1,537,858,584,609,745.75
  5. Step 5: Solve for x
    x = 1,537,858,584,609,745.75/56,485,500.40
  6. Step 6: Final answer
    x = 27,225,722.95

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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.