Home / 290,168,368.45-434,685,682.28-174,810,242.05

Finding the Fourth Proportional to 290,168,368.45, 434,685,682.28 and 174,810,242.05

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Solution

The fourth proportional to 290,168,368.45, 434,685,682.28 and 174,810,242.05 is: 261,873,855.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,168,368.45 : 434,685,682.28 = 174,810,242.05 : x
  2. Step 2: Convert to fraction form
    290,168,368.45/434,685,682.28 = 174,810,242.05/x
  3. Step 3: Cross multiply
    290,168,368.45x = 434,685,682.28 × 174,810,242.05
  4. Step 4: Simplify right side
    290,168,368.45x = 75,987,509,334,162,144
  5. Step 5: Solve for x
    x = 75,987,509,334,162,144/290,168,368.45
  6. Step 6: Final answer
    x = 261,873,855.31

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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.