Home / 242,215,737.56-363,379,243.60-69,693,980.12

Finding the Fourth Proportional to 242,215,737.56, 363,379,243.60 and 69,693,980.12

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Solution

The fourth proportional to 242,215,737.56, 363,379,243.60 and 69,693,980.12 is: 104,556,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,215,737.56 : 363,379,243.60 = 69,693,980.12 : x
  2. Step 2: Convert to fraction form
    242,215,737.56/363,379,243.60 = 69,693,980.12/x
  3. Step 3: Cross multiply
    242,215,737.56x = 363,379,243.60 × 69,693,980.12
  4. Step 4: Simplify right side
    242,215,737.56x = 25,325,345,779,479,040
  5. Step 5: Solve for x
    x = 25,325,345,779,479,040/242,215,737.56
  6. Step 6: Final answer
    x = 104,556,978.98

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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.