Home / 86,918,573.70-130,377,860.55-43,771,104.90

Finding the Fourth Proportional to 86,918,573.70, 130,377,860.55 and 43,771,104.90

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Solution

The fourth proportional to 86,918,573.70, 130,377,860.55 and 43,771,104.90 is: 65,656,657.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,918,573.70 : 130,377,860.55 = 43,771,104.90 : x
  2. Step 2: Convert to fraction form
    86,918,573.70/130,377,860.55 = 43,771,104.90/x
  3. Step 3: Cross multiply
    86,918,573.70x = 130,377,860.55 × 43,771,104.90
  4. Step 4: Simplify right side
    86,918,573.70x = 5,706,783,010,771,621
  5. Step 5: Solve for x
    x = 5,706,783,010,771,621/86,918,573.70
  6. Step 6: Final answer
    x = 65,656,657.35

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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.