Home / 86,922,986.40-130,384,479.60-26,330,839.20

Finding the Fourth Proportional to 86,922,986.40, 130,384,479.60 and 26,330,839.20

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Solution

The fourth proportional to 86,922,986.40, 130,384,479.60 and 26,330,839.20 is: 39,496,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,922,986.40 : 130,384,479.60 = 26,330,839.20 : x
  2. Step 2: Convert to fraction form
    86,922,986.40/130,384,479.60 = 26,330,839.20/x
  3. Step 3: Cross multiply
    86,922,986.40x = 130,384,479.60 × 26,330,839.20
  4. Step 4: Simplify right side
    86,922,986.40x = 3,433,132,766,523,280
  5. Step 5: Solve for x
    x = 3,433,132,766,523,280/86,922,986.40
  6. Step 6: Final answer
    x = 39,496,258.80

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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.