Home / 290,540,244.12-400,931,046-165,075,867.60

Finding the Fourth Proportional to 290,540,244.12, 400,931,046 and 165,075,867.60

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Solution

The fourth proportional to 290,540,244.12, 400,931,046 and 165,075,867.60 is: 227,796,464.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,540,244.12 : 400,931,046 = 165,075,867.60 : x
  2. Step 2: Convert to fraction form
    290,540,244.12/400,931,046 = 165,075,867.60/x
  3. Step 3: Cross multiply
    290,540,244.12x = 400,931,046 × 165,075,867.60
  4. Step 4: Simplify right side
    290,540,244.12x = 66,184,040,266,225,504
  5. Step 5: Solve for x
    x = 66,184,040,266,225,504/290,540,244.12
  6. Step 6: Final answer
    x = 227,796,464.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.