Home / 80,898,227.20-121,347,340.80-46,802,022.40

Finding the Fourth Proportional to 80,898,227.20, 121,347,340.80 and 46,802,022.40

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Solution

The fourth proportional to 80,898,227.20, 121,347,340.80 and 46,802,022.40 is: 70,203,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,898,227.20 : 121,347,340.80 = 46,802,022.40 : x
  2. Step 2: Convert to fraction form
    80,898,227.20/121,347,340.80 = 46,802,022.40/x
  3. Step 3: Cross multiply
    80,898,227.20x = 121,347,340.80 × 46,802,022.40
  4. Step 4: Simplify right side
    80,898,227.20x = 5,679,300,962,302,034
  5. Step 5: Solve for x
    x = 5,679,300,962,302,034/80,898,227.20
  6. Step 6: Final answer
    x = 70,203,033.60

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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.