Home / 86,449,326.72-129,466,181.34-49,449,075.90

Finding the Fourth Proportional to 86,449,326.72, 129,466,181.34 and 49,449,075.90

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Solution

The fourth proportional to 86,449,326.72, 129,466,181.34 and 49,449,075.90 is: 74,054,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,449,326.72 : 129,466,181.34 = 49,449,075.90 : x
  2. Step 2: Convert to fraction form
    86,449,326.72/129,466,181.34 = 49,449,075.90/x
  3. Step 3: Cross multiply
    86,449,326.72x = 129,466,181.34 × 49,449,075.90
  4. Step 4: Simplify right side
    86,449,326.72x = 6,401,983,027,564,824
  5. Step 5: Solve for x
    x = 6,401,983,027,564,824/86,449,326.72
  6. Step 6: Final answer
    x = 74,054,747.10

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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.