Home / 205,900,020.42-308,902,307.67-95,315,415.18

Finding the Fourth Proportional to 205,900,020.42, 308,902,307.67 and 95,315,415.18

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Solution

The fourth proportional to 205,900,020.42, 308,902,307.67 and 95,315,415.18 is: 142,997,322.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,900,020.42 : 308,902,307.67 = 95,315,415.18 : x
  2. Step 2: Convert to fraction form
    205,900,020.42/308,902,307.67 = 95,315,415.18/x
  3. Step 3: Cross multiply
    205,900,020.42x = 308,902,307.67 × 95,315,415.18
  4. Step 4: Simplify right side
    205,900,020.42x = 29,443,151,705,626,152
  5. Step 5: Solve for x
    x = 29,443,151,705,626,152/205,900,020.42
  6. Step 6: Final answer
    x = 142,997,322.90

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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.