Home / 208,603,442.40-312,905,163.60-151,980,338.40

Finding the Fourth Proportional to 208,603,442.40, 312,905,163.60 and 151,980,338.40

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Solution

The fourth proportional to 208,603,442.40, 312,905,163.60 and 151,980,338.40 is: 227,970,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,603,442.40 : 312,905,163.60 = 151,980,338.40 : x
  2. Step 2: Convert to fraction form
    208,603,442.40/312,905,163.60 = 151,980,338.40/x
  3. Step 3: Cross multiply
    208,603,442.40x = 312,905,163.60 × 151,980,338.40
  4. Step 4: Simplify right side
    208,603,442.40x = 47,555,432,651,035,368
  5. Step 5: Solve for x
    x = 47,555,432,651,035,368/208,603,442.40
  6. Step 6: Final answer
    x = 227,970,507.60

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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.