Home / 111,663,901.20-167,501,100.60-34,989,430.80

Finding the Fourth Proportional to 111,663,901.20, 167,501,100.60 and 34,989,430.80

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Solution

The fourth proportional to 111,663,901.20, 167,501,100.60 and 34,989,430.80 is: 52,485,790.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,663,901.20 : 167,501,100.60 = 34,989,430.80 : x
  2. Step 2: Convert to fraction form
    111,663,901.20/167,501,100.60 = 34,989,430.80/x
  3. Step 3: Cross multiply
    111,663,901.20x = 167,501,100.60 × 34,989,430.80
  4. Step 4: Simplify right side
    111,663,901.20x = 5,860,768,168,367,538
  5. Step 5: Solve for x
    x = 5,860,768,168,367,538/111,663,901.20
  6. Step 6: Final answer
    x = 52,485,790.89

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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.