Home / 39,312,138.60-58,968,207.90-20,180,262.60

Finding the Fourth Proportional to 39,312,138.60, 58,968,207.90 and 20,180,262.60

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Solution

The fourth proportional to 39,312,138.60, 58,968,207.90 and 20,180,262.60 is: 30,270,393.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,312,138.60 : 58,968,207.90 = 20,180,262.60 : x
  2. Step 2: Convert to fraction form
    39,312,138.60/58,968,207.90 = 20,180,262.60/x
  3. Step 3: Cross multiply
    39,312,138.60x = 58,968,207.90 × 20,180,262.60
  4. Step 4: Simplify right side
    39,312,138.60x = 1,189,993,920,473,394.50
  5. Step 5: Solve for x
    x = 1,189,993,920,473,394.50/39,312,138.60
  6. Step 6: Final answer
    x = 30,270,393.90

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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.