Home / 260,816,063.31-359,930,368.44-149,306,455.49

Finding the Fourth Proportional to 260,816,063.31, 359,930,368.44 and 149,306,455.49

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Solution

The fourth proportional to 260,816,063.31, 359,930,368.44 and 149,306,455.49 is: 206,045,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,816,063.31 : 359,930,368.44 = 149,306,455.49 : x
  2. Step 2: Convert to fraction form
    260,816,063.31/359,930,368.44 = 149,306,455.49/x
  3. Step 3: Cross multiply
    260,816,063.31x = 359,930,368.44 × 149,306,455.49
  4. Step 4: Simplify right side
    260,816,063.31x = 53,739,927,533,186,512
  5. Step 5: Solve for x
    x = 53,739,927,533,186,512/260,816,063.31
  6. Step 6: Final answer
    x = 206,045,313.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.