Home / 256,556,515.62-384,795,890.01-69,825,009.87

Finding the Fourth Proportional to 256,556,515.62, 384,795,890.01 and 69,825,009.87

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Solution

The fourth proportional to 256,556,515.62, 384,795,890.01 and 69,825,009.87 is: 104,726,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,556,515.62 : 384,795,890.01 = 69,825,009.87 : x
  2. Step 2: Convert to fraction form
    256,556,515.62/384,795,890.01 = 69,825,009.87/x
  3. Step 3: Cross multiply
    256,556,515.62x = 384,795,890.01 × 69,825,009.87
  4. Step 4: Simplify right side
    256,556,515.62x = 26,868,376,817,883,684
  5. Step 5: Solve for x
    x = 26,868,376,817,883,684/256,556,515.62
  6. Step 6: Final answer
    x = 104,726,932.20

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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.