Home / 260,560,322.88-390,916,128.60-105,033,868.08

Finding the Fourth Proportional to 260,560,322.88, 390,916,128.60 and 105,033,868.08

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Solution

The fourth proportional to 260,560,322.88, 390,916,128.60 and 105,033,868.08 is: 157,581,294.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,560,322.88 : 390,916,128.60 = 105,033,868.08 : x
  2. Step 2: Convert to fraction form
    260,560,322.88/390,916,128.60 = 105,033,868.08/x
  3. Step 3: Cross multiply
    260,560,322.88x = 390,916,128.60 × 105,033,868.08
  4. Step 4: Simplify right side
    260,560,322.88x = 41,059,433,081,716,720
  5. Step 5: Solve for x
    x = 41,059,433,081,716,720/260,560,322.88
  6. Step 6: Final answer
    x = 157,581,294.91

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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.