Home / 83,804,917.32-125,670,729.43-42,280,245.81

Finding the Fourth Proportional to 83,804,917.32, 125,670,729.43 and 42,280,245.81

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Solution

The fourth proportional to 83,804,917.32, 125,670,729.43 and 42,280,245.81 is: 63,401,880.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,804,917.32 : 125,670,729.43 = 42,280,245.81 : x
  2. Step 2: Convert to fraction form
    83,804,917.32/125,670,729.43 = 42,280,245.81/x
  3. Step 3: Cross multiply
    83,804,917.32x = 125,670,729.43 × 42,280,245.81
  4. Step 4: Simplify right side
    83,804,917.32x = 5,313,389,331,316,701
  5. Step 5: Solve for x
    x = 5,313,389,331,316,701/83,804,917.32
  6. Step 6: Final answer
    x = 63,401,880.24

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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.