Home / 213,018,668.75-293,962,901.07-118,934,257.31

Finding the Fourth Proportional to 213,018,668.75, 293,962,901.07 and 118,934,257.31

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Solution

The fourth proportional to 213,018,668.75, 293,962,901.07 and 118,934,257.31 is: 164,127,677.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,018,668.75 : 293,962,901.07 = 118,934,257.31 : x
  2. Step 2: Convert to fraction form
    213,018,668.75/293,962,901.07 = 118,934,257.31/x
  3. Step 3: Cross multiply
    213,018,668.75x = 293,962,901.07 × 118,934,257.31
  4. Step 4: Simplify right side
    213,018,668.75x = 34,962,259,313,983,640
  5. Step 5: Solve for x
    x = 34,962,259,313,983,640/213,018,668.75
  6. Step 6: Final answer
    x = 164,127,677.26

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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.