Home / 211,055,815.66-291,257,053.25-116,976,036.55

Finding the Fourth Proportional to 211,055,815.66, 291,257,053.25 and 116,976,036.55

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Solution

The fourth proportional to 211,055,815.66, 291,257,053.25 and 116,976,036.55 is: 161,426,945.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,055,815.66 : 291,257,053.25 = 116,976,036.55 : x
  2. Step 2: Convert to fraction form
    211,055,815.66/291,257,053.25 = 116,976,036.55/x
  3. Step 3: Cross multiply
    211,055,815.66x = 291,257,053.25 × 116,976,036.55
  4. Step 4: Simplify right side
    211,055,815.66x = 34,070,095,706,417,296
  5. Step 5: Solve for x
    x = 34,070,095,706,417,296/211,055,815.66
  6. Step 6: Final answer
    x = 161,426,945.76

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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.