Home / 42,075,199.86-63,151,596.32-21,340,190.52

Finding the Fourth Proportional to 42,075,199.86, 63,151,596.32 and 21,340,190.52

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Solution

The fourth proportional to 42,075,199.86, 63,151,596.32 and 21,340,190.52 is: 32,029,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,075,199.86 : 63,151,596.32 = 21,340,190.52 : x
  2. Step 2: Convert to fraction form
    42,075,199.86/63,151,596.32 = 21,340,190.52/x
  3. Step 3: Cross multiply
    42,075,199.86x = 63,151,596.32 × 21,340,190.52
  4. Step 4: Simplify right side
    42,075,199.86x = 1,347,667,097,004,229.75
  5. Step 5: Solve for x
    x = 1,347,667,097,004,229.75/42,075,199.86
  6. Step 6: Final answer
    x = 32,029,963.05

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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.