Home / 260,880,072.48-360,018,972.81-143,410,353.84

Finding the Fourth Proportional to 260,880,072.48, 360,018,972.81 and 143,410,353.84

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Solution

The fourth proportional to 260,880,072.48, 360,018,972.81 and 143,410,353.84 is: 197,908,747.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,880,072.48 : 360,018,972.81 = 143,410,353.84 : x
  2. Step 2: Convert to fraction form
    260,880,072.48/360,018,972.81 = 143,410,353.84/x
  3. Step 3: Cross multiply
    260,880,072.48x = 360,018,972.81 × 143,410,353.84
  4. Step 4: Simplify right side
    260,880,072.48x = 51,630,448,279,795,440
  5. Step 5: Solve for x
    x = 51,630,448,279,795,440/260,880,072.48
  6. Step 6: Final answer
    x = 197,908,747.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.