Home / 111,494,920.20-167,292,146.70-39,742,830.60

Finding the Fourth Proportional to 111,494,920.20, 167,292,146.70 and 39,742,830.60

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Solution

The fourth proportional to 111,494,920.20, 167,292,146.70 and 39,742,830.60 is: 59,631,985.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,494,920.20 : 167,292,146.70 = 39,742,830.60 : x
  2. Step 2: Convert to fraction form
    111,494,920.20/167,292,146.70 = 39,742,830.60/x
  3. Step 3: Cross multiply
    111,494,920.20x = 167,292,146.70 × 39,742,830.60
  4. Step 4: Simplify right side
    111,494,920.20x = 6,648,663,447,008,449
  5. Step 5: Solve for x
    x = 6,648,663,447,008,449/111,494,920.20
  6. Step 6: Final answer
    x = 59,631,985.34

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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.