Home / 291,213,548.10-436,448,313.45-118,495,223.10

Finding the Fourth Proportional to 291,213,548.10, 436,448,313.45 and 118,495,223.10

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Solution

The fourth proportional to 291,213,548.10, 436,448,313.45 and 118,495,223.10 is: 177,591,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,213,548.10 : 436,448,313.45 = 118,495,223.10 : x
  2. Step 2: Convert to fraction form
    291,213,548.10/436,448,313.45 = 118,495,223.10/x
  3. Step 3: Cross multiply
    291,213,548.10x = 436,448,313.45 × 118,495,223.10
  4. Step 4: Simplify right side
    291,213,548.10x = 51,717,040,273,876,480
  5. Step 5: Solve for x
    x = 51,717,040,273,876,480/291,213,548.10
  6. Step 6: Final answer
    x = 177,591,463.76

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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.