Home / 123,673,111.20-185,580,525.60-47,051,128.80

Finding the Fourth Proportional to 123,673,111.20, 185,580,525.60 and 47,051,128.80

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Solution

The fourth proportional to 123,673,111.20, 185,580,525.60 and 47,051,128.80 is: 70,603,651.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,673,111.20 : 185,580,525.60 = 47,051,128.80 : x
  2. Step 2: Convert to fraction form
    123,673,111.20/185,580,525.60 = 47,051,128.80/x
  3. Step 3: Cross multiply
    123,673,111.20x = 185,580,525.60 × 47,051,128.80
  4. Step 4: Simplify right side
    123,673,111.20x = 8,731,773,212,777,296
  5. Step 5: Solve for x
    x = 8,731,773,212,777,296/123,673,111.20
  6. Step 6: Final answer
    x = 70,603,651.25

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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.