Home / 198,405,530.40-297,658,596.96-140,227,675.68

Finding the Fourth Proportional to 198,405,530.40, 297,658,596.96 and 140,227,675.68

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Solution

The fourth proportional to 198,405,530.40, 297,658,596.96 and 140,227,675.68 is: 210,377,065.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,405,530.40 : 297,658,596.96 = 140,227,675.68 : x
  2. Step 2: Convert to fraction form
    198,405,530.40/297,658,596.96 = 140,227,675.68/x
  3. Step 3: Cross multiply
    198,405,530.40x = 297,658,596.96 × 140,227,675.68
  4. Step 4: Simplify right side
    198,405,530.40x = 41,739,973,197,870,712
  5. Step 5: Solve for x
    x = 41,739,973,197,870,712/198,405,530.40
  6. Step 6: Final answer
    x = 210,377,065.16

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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.