Home / 291,140,112.81-436,564,135.92-96,983,268.33

Finding the Fourth Proportional to 291,140,112.81, 436,564,135.92 and 96,983,268.33

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Solution

The fourth proportional to 291,140,112.81, 436,564,135.92 and 96,983,268.33 is: 145,426,256.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,140,112.81 : 436,564,135.92 = 96,983,268.33 : x
  2. Step 2: Convert to fraction form
    291,140,112.81/436,564,135.92 = 96,983,268.33/x
  3. Step 3: Cross multiply
    291,140,112.81x = 436,564,135.92 × 96,983,268.33
  4. Step 4: Simplify right side
    291,140,112.81x = 42,339,416,737,183,952
  5. Step 5: Solve for x
    x = 42,339,416,737,183,952/291,140,112.81
  6. Step 6: Final answer
    x = 145,426,256.55

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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.