Home / 139,666,814,578.40-209,500,221,867.60-95,586,972,274.40

Finding the Fourth Proportional to 139,666,814,578.40, 209,500,221,867.60 and 95,586,972,274.40

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Solution

The fourth proportional to 139,666,814,578.40, 209,500,221,867.60 and 95,586,972,274.40 is: 143,380,458,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,666,814,578.40 : 209,500,221,867.60 = 95,586,972,274.40 : x
  2. Step 2: Convert to fraction form
    139,666,814,578.40/209,500,221,867.60 = 95,586,972,274.40/x
  3. Step 3: Cross multiply
    139,666,814,578.40x = 209,500,221,867.60 × 95,586,972,274.40
  4. Step 4: Simplify right side
    139,666,814,578.40x = 20,025,491,899,138,929,852,416
  5. Step 5: Solve for x
    x = 20,025,491,899,138,929,852,416/139,666,814,578.40
  6. Step 6: Final answer
    x = 143,380,458,411.60

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1.5x scale

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.