Home / 211,353,619.51-291,670,359.48-117,269,470

Finding the Fourth Proportional to 211,353,619.51, 291,670,359.48 and 117,269,470

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Solution

The fourth proportional to 211,353,619.51, 291,670,359.48 and 117,269,470 is: 161,833,180.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,353,619.51 : 291,670,359.48 = 117,269,470 : x
  2. Step 2: Convert to fraction form
    211,353,619.51/291,670,359.48 = 117,269,470/x
  3. Step 3: Cross multiply
    211,353,619.51x = 291,670,359.48 × 117,269,470
  4. Step 4: Simplify right side
    211,353,619.51x = 34,204,028,470,929,076
  5. Step 5: Solve for x
    x = 34,204,028,470,929,076/211,353,619.51
  6. Step 6: Final answer
    x = 161,833,180.57

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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.