Home / 290,726,322.55-436,037,705.23-115,834,699.10

Finding the Fourth Proportional to 290,726,322.55, 436,037,705.23 and 115,834,699.10

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Solution

The fourth proportional to 290,726,322.55, 436,037,705.23 and 115,834,699.10 is: 173,731,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,726,322.55 : 436,037,705.23 = 115,834,699.10 : x
  2. Step 2: Convert to fraction form
    290,726,322.55/436,037,705.23 = 115,834,699.10/x
  3. Step 3: Cross multiply
    290,726,322.55x = 436,037,705.23 × 115,834,699.10
  4. Step 4: Simplify right side
    290,726,322.55x = 50,508,296,380,992,376
  5. Step 5: Solve for x
    x = 50,508,296,380,992,376/290,726,322.55
  6. Step 6: Final answer
    x = 173,731,418.40

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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.