Home / 211,448,669.74-291,775,498.41-117,366,782.04

Finding the Fourth Proportional to 211,448,669.74, 291,775,498.41 and 117,366,782.04

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Solution

The fourth proportional to 211,448,669.74, 291,775,498.41 and 117,366,782.04 is: 161,953,023.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,448,669.74 : 291,775,498.41 = 117,366,782.04 : x
  2. Step 2: Convert to fraction form
    211,448,669.74/291,775,498.41 = 117,366,782.04/x
  3. Step 3: Cross multiply
    211,448,669.74x = 291,775,498.41 × 117,366,782.04
  4. Step 4: Simplify right side
    211,448,669.74x = 34,244,751,326,938,964
  5. Step 5: Solve for x
    x = 34,244,751,326,938,964/211,448,669.74
  6. Step 6: Final answer
    x = 161,953,023.25

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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.