Home / 211,477,293.78-291,839,505.22-118,651,740.90

Finding the Fourth Proportional to 211,477,293.78, 291,839,505.22 and 118,651,740.90

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Solution

The fourth proportional to 211,477,293.78, 291,839,505.22 and 118,651,740.90 is: 163,739,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,477,293.78 : 291,839,505.22 = 118,651,740.90 : x
  2. Step 2: Convert to fraction form
    211,477,293.78/291,839,505.22 = 118,651,740.90/x
  3. Step 3: Cross multiply
    211,477,293.78x = 291,839,505.22 × 118,651,740.90
  4. Step 4: Simplify right side
    211,477,293.78x = 34,627,265,357,747,644
  5. Step 5: Solve for x
    x = 34,627,265,357,747,644/211,477,293.78
  6. Step 6: Final answer
    x = 163,739,873.62

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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.