Home / 42,605,163.60-63,907,745.40-13,852,237.20

Finding the Fourth Proportional to 42,605,163.60, 63,907,745.40 and 13,852,237.20

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Solution

The fourth proportional to 42,605,163.60, 63,907,745.40 and 13,852,237.20 is: 20,778,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,605,163.60 : 63,907,745.40 = 13,852,237.20 : x
  2. Step 2: Convert to fraction form
    42,605,163.60/63,907,745.40 = 13,852,237.20/x
  3. Step 3: Cross multiply
    42,605,163.60x = 63,907,745.40 × 13,852,237.20
  4. Step 4: Simplify right side
    42,605,163.60x = 885,265,248,198,008.75
  5. Step 5: Solve for x
    x = 885,265,248,198,008.75/42,605,163.60
  6. Step 6: Final answer
    x = 20,778,355.80

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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.