Home / 77,161,336.83-116,203,907.58-70,273,861.47

Finding the Fourth Proportional to 77,161,336.83, 116,203,907.58 and 70,273,861.47

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Solution

The fourth proportional to 77,161,336.83, 116,203,907.58 and 70,273,861.47 is: 105,831,464.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,161,336.83 : 116,203,907.58 = 70,273,861.47 : x
  2. Step 2: Convert to fraction form
    77,161,336.83/116,203,907.58 = 70,273,861.47/x
  3. Step 3: Cross multiply
    77,161,336.83x = 116,203,907.58 × 70,273,861.47
  4. Step 4: Simplify right side
    77,161,336.83x = 8,166,097,303,549,603
  5. Step 5: Solve for x
    x = 8,166,097,303,549,603/77,161,336.83
  6. Step 6: Final answer
    x = 105,831,464.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.