Home / 101,090,738.40-151,636,107.60-40,549,912.80

Finding the Fourth Proportional to 101,090,738.40, 151,636,107.60 and 40,549,912.80

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Solution

The fourth proportional to 101,090,738.40, 151,636,107.60 and 40,549,912.80 is: 60,824,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,090,738.40 : 151,636,107.60 = 40,549,912.80 : x
  2. Step 2: Convert to fraction form
    101,090,738.40/151,636,107.60 = 40,549,912.80/x
  3. Step 3: Cross multiply
    101,090,738.40x = 151,636,107.60 × 40,549,912.80
  4. Step 4: Simplify right side
    101,090,738.40x = 6,148,830,940,511,417
  5. Step 5: Solve for x
    x = 6,148,830,940,511,417/101,090,738.40
  6. Step 6: Final answer
    x = 60,824,869.20

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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.