Home / 52,488,209.80-78,698,100.30-47,113,438.60

Finding the Fourth Proportional to 52,488,209.80, 78,698,100.30 and 47,113,438.60

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Solution

The fourth proportional to 52,488,209.80, 78,698,100.30 and 47,113,438.60 is: 70,639,447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,209.80 : 78,698,100.30 = 47,113,438.60 : x
  2. Step 2: Convert to fraction form
    52,488,209.80/78,698,100.30 = 47,113,438.60/x
  3. Step 3: Cross multiply
    52,488,209.80x = 78,698,100.30 × 47,113,438.60
  4. Step 4: Simplify right side
    52,488,209.80x = 3,707,738,116,420,691.50
  5. Step 5: Solve for x
    x = 3,707,738,116,420,691.50/52,488,209.80
  6. Step 6: Final answer
    x = 70,639,447.04

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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.