Home / 213,505,289,709.66-294,641,799,872.45-117,160,533,281.07

Finding the Fourth Proportional to 213,505,289,709.66, 294,641,799,872.45 and 117,160,533,281.07

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Solution

The fourth proportional to 213,505,289,709.66, 294,641,799,872.45 and 117,160,533,281.07 is: 161,684,005,332.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,505,289,709.66 : 294,641,799,872.45 = 117,160,533,281.07 : x
  2. Step 2: Convert to fraction form
    213,505,289,709.66/294,641,799,872.45 = 117,160,533,281.07/x
  3. Step 3: Cross multiply
    213,505,289,709.66x = 294,641,799,872.45 × 117,160,533,281.07
  4. Step 4: Simplify right side
    213,505,289,709.66x = 34,520,390,399,950,550,204,416
  5. Step 5: Solve for x
    x = 34,520,390,399,950,550,204,416/213,505,289,709.66
  6. Step 6: Final answer
    x = 161,684,005,332.58

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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.