Home / 262,312,850.44-393,400,603.86-78,030,680.32

Finding the Fourth Proportional to 262,312,850.44, 393,400,603.86 and 78,030,680.32

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Solution

The fourth proportional to 262,312,850.44, 393,400,603.86 and 78,030,680.32 is: 117,025,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,312,850.44 : 393,400,603.86 = 78,030,680.32 : x
  2. Step 2: Convert to fraction form
    262,312,850.44/393,400,603.86 = 78,030,680.32/x
  3. Step 3: Cross multiply
    262,312,850.44x = 393,400,603.86 × 78,030,680.32
  4. Step 4: Simplify right side
    262,312,850.44x = 30,697,316,757,494,616
  5. Step 5: Solve for x
    x = 30,697,316,757,494,616/262,312,850.44
  6. Step 6: Final answer
    x = 117,025,592.55

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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.