Home / 145,114,745.45-217,765,763.78-52,990,771.23

Finding the Fourth Proportional to 145,114,745.45, 217,765,763.78 and 52,990,771.23

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Solution

The fourth proportional to 145,114,745.45, 217,765,763.78 and 52,990,771.23 is: 79,520,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,114,745.45 : 217,765,763.78 = 52,990,771.23 : x
  2. Step 2: Convert to fraction form
    145,114,745.45/217,765,763.78 = 52,990,771.23/x
  3. Step 3: Cross multiply
    145,114,745.45x = 217,765,763.78 × 52,990,771.23
  4. Step 4: Simplify right side
    145,114,745.45x = 11,539,575,769,927,246
  5. Step 5: Solve for x
    x = 11,539,575,769,927,246/145,114,745.45
  6. Step 6: Final answer
    x = 79,520,352.91

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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.