Home / 260,880,084-360,018,988.64-143,410,365.28

Finding the Fourth Proportional to 260,880,084, 360,018,988.64 and 143,410,365.28

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Solution

The fourth proportional to 260,880,084, 360,018,988.64 and 143,410,365.28 is: 197,908,762.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,880,084 : 360,018,988.64 = 143,410,365.28 : x
  2. Step 2: Convert to fraction form
    260,880,084/360,018,988.64 = 143,410,365.28/x
  3. Step 3: Cross multiply
    260,880,084x = 360,018,988.64 × 143,410,365.28
  4. Step 4: Simplify right side
    260,880,084x = 51,630,454,668,598,568
  5. Step 5: Solve for x
    x = 51,630,454,668,598,568/260,880,084
  6. Step 6: Final answer
    x = 197,908,762.82

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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.