Home / 259,238,672.40-388,858,008.60-105,833,744.40

Finding the Fourth Proportional to 259,238,672.40, 388,858,008.60 and 105,833,744.40

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Solution

The fourth proportional to 259,238,672.40, 388,858,008.60 and 105,833,744.40 is: 158,750,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,238,672.40 : 388,858,008.60 = 105,833,744.40 : x
  2. Step 2: Convert to fraction form
    259,238,672.40/388,858,008.60 = 105,833,744.40/x
  3. Step 3: Cross multiply
    259,238,672.40x = 388,858,008.60 × 105,833,744.40
  4. Step 4: Simplify right side
    259,238,672.40x = 41,154,299,090,065,408
  5. Step 5: Solve for x
    x = 41,154,299,090,065,408/259,238,672.40
  6. Step 6: Final answer
    x = 158,750,616.60

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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.