Home / 30,191,790.80-45,199,112.52-27,075,184.64

Finding the Fourth Proportional to 30,191,790.80, 45,199,112.52 and 27,075,184.64

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Solution

The fourth proportional to 30,191,790.80, 45,199,112.52 and 27,075,184.64 is: 40,533,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191,790.80 : 45,199,112.52 = 27,075,184.64 : x
  2. Step 2: Convert to fraction form
    30,191,790.80/45,199,112.52 = 27,075,184.64/x
  3. Step 3: Cross multiply
    30,191,790.80x = 45,199,112.52 × 27,075,184.64
  4. Step 4: Simplify right side
    30,191,790.80x = 1,223,774,317,043,135.75
  5. Step 5: Solve for x
    x = 1,223,774,317,043,135.75/30,191,790.80
  6. Step 6: Final answer
    x = 40,533,346.47

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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.