Home / 291,035,505.60-436,613,911.20-97,007,198.40

Finding the Fourth Proportional to 291,035,505.60, 436,613,911.20 and 97,007,198.40

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Solution

The fourth proportional to 291,035,505.60, 436,613,911.20 and 97,007,198.40 is: 145,531,014.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,035,505.60 : 436,613,911.20 = 97,007,198.40 : x
  2. Step 2: Convert to fraction form
    291,035,505.60/436,613,911.20 = 97,007,198.40/x
  3. Step 3: Cross multiply
    291,035,505.60x = 436,613,911.20 × 97,007,198.40
  4. Step 4: Simplify right side
    291,035,505.60x = 42,354,692,307,978,384
  5. Step 5: Solve for x
    x = 42,354,692,307,978,384/291,035,505.60
  6. Step 6: Final answer
    x = 145,531,014.23

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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.