Home / 265,032,139.20-397,548,208.80-103,474,075.20

Finding the Fourth Proportional to 265,032,139.20, 397,548,208.80 and 103,474,075.20

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Solution

The fourth proportional to 265,032,139.20, 397,548,208.80 and 103,474,075.20 is: 155,211,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,032,139.20 : 397,548,208.80 = 103,474,075.20 : x
  2. Step 2: Convert to fraction form
    265,032,139.20/397,548,208.80 = 103,474,075.20/x
  3. Step 3: Cross multiply
    265,032,139.20x = 397,548,208.80 × 103,474,075.20
  4. Step 4: Simplify right side
    265,032,139.20x = 41,135,933,252,996,504
  5. Step 5: Solve for x
    x = 41,135,933,252,996,504/265,032,139.20
  6. Step 6: Final answer
    x = 155,211,112.80

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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.