Home / 111,118,500.90-166,642,417.62-103,864,442.49

Finding the Fourth Proportional to 111,118,500.90, 166,642,417.62 and 103,864,442.49

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Solution

The fourth proportional to 111,118,500.90, 166,642,417.62 and 103,864,442.49 is: 155,763,636.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,118,500.90 : 166,642,417.62 = 103,864,442.49 : x
  2. Step 2: Convert to fraction form
    111,118,500.90/166,642,417.62 = 103,864,442.49/x
  3. Step 3: Cross multiply
    111,118,500.90x = 166,642,417.62 × 103,864,442.49
  4. Step 4: Simplify right side
    111,118,500.90x = 17,308,221,801,287,052
  5. Step 5: Solve for x
    x = 17,308,221,801,287,052/111,118,500.90
  6. Step 6: Final answer
    x = 155,763,636.67

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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.