Home / 77,273,163.20-115,984,394.40-47,040,075.20

Finding the Fourth Proportional to 77,273,163.20, 115,984,394.40 and 47,040,075.20

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Solution

The fourth proportional to 77,273,163.20, 115,984,394.40 and 47,040,075.20 is: 70,605,555.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,273,163.20 : 115,984,394.40 = 47,040,075.20 : x
  2. Step 2: Convert to fraction form
    77,273,163.20/115,984,394.40 = 47,040,075.20/x
  3. Step 3: Cross multiply
    77,273,163.20x = 115,984,394.40 × 47,040,075.20
  4. Step 4: Simplify right side
    77,273,163.20x = 5,455,914,634,602,460
  5. Step 5: Solve for x
    x = 5,455,914,634,602,460/77,273,163.20
  6. Step 6: Final answer
    x = 70,605,555.78

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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.