Home / 190,858,767.40-285,952,227.90-163,984,911.40

Finding the Fourth Proportional to 190,858,767.40, 285,952,227.90 and 163,984,911.40

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Solution

The fourth proportional to 190,858,767.40, 285,952,227.90 and 163,984,911.40 is: 245,688,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,858,767.40 : 285,952,227.90 = 163,984,911.40 : x
  2. Step 2: Convert to fraction form
    190,858,767.40/285,952,227.90 = 163,984,911.40/x
  3. Step 3: Cross multiply
    190,858,767.40x = 285,952,227.90 × 163,984,911.40
  4. Step 4: Simplify right side
    190,858,767.40x = 46,891,850,756,814,104
  5. Step 5: Solve for x
    x = 46,891,850,756,814,104/190,858,767.40
  6. Step 6: Final answer
    x = 245,688,743.54

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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.