Home / 290,726,321.55-436,037,703.73-115,834,698.10

Finding the Fourth Proportional to 290,726,321.55, 436,037,703.73 and 115,834,698.10

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Solution

The fourth proportional to 290,726,321.55, 436,037,703.73 and 115,834,698.10 is: 173,731,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,726,321.55 : 436,037,703.73 = 115,834,698.10 : x
  2. Step 2: Convert to fraction form
    290,726,321.55/436,037,703.73 = 115,834,698.10/x
  3. Step 3: Cross multiply
    290,726,321.55x = 436,037,703.73 × 115,834,698.10
  4. Step 4: Simplify right side
    290,726,321.55x = 50,508,295,772,037,256
  5. Step 5: Solve for x
    x = 50,508,295,772,037,256/290,726,321.55
  6. Step 6: Final answer
    x = 173,731,416.90

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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.