Home / 47,312,408.40-70,929,246.60-20,039,643.60

Finding the Fourth Proportional to 47,312,408.40, 70,929,246.60 and 20,039,643.60

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Solution

The fourth proportional to 47,312,408.40, 70,929,246.60 and 20,039,643.60 is: 30,042,791.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,312,408.40 : 70,929,246.60 = 20,039,643.60 : x
  2. Step 2: Convert to fraction form
    47,312,408.40/70,929,246.60 = 20,039,643.60/x
  3. Step 3: Cross multiply
    47,312,408.40x = 70,929,246.60 × 20,039,643.60
  4. Step 4: Simplify right side
    47,312,408.40x = 1,421,396,822,680,511.75
  5. Step 5: Solve for x
    x = 1,421,396,822,680,511.75/47,312,408.40
  6. Step 6: Final answer
    x = 30,042,791.54

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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.