Home / 42,775,726.40-64,163,589.60-33,220,577.60

Finding the Fourth Proportional to 42,775,726.40, 64,163,589.60 and 33,220,577.60

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Solution

The fourth proportional to 42,775,726.40, 64,163,589.60 and 33,220,577.60 is: 49,830,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,775,726.40 : 64,163,589.60 = 33,220,577.60 : x
  2. Step 2: Convert to fraction form
    42,775,726.40/64,163,589.60 = 33,220,577.60/x
  3. Step 3: Cross multiply
    42,775,726.40x = 64,163,589.60 × 33,220,577.60
  4. Step 4: Simplify right side
    42,775,726.40x = 2,131,551,507,401,353
  5. Step 5: Solve for x
    x = 2,131,551,507,401,353/42,775,726.40
  6. Step 6: Final answer
    x = 49,830,866.40

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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.