Home / 211,766,815.60-292,245,293.73-117,684,927.93

Finding the Fourth Proportional to 211,766,815.60, 292,245,293.73 and 117,684,927.93

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Solution

The fourth proportional to 211,766,815.60, 292,245,293.73 and 117,684,927.93 is: 162,409,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,766,815.60 : 292,245,293.73 = 117,684,927.93 : x
  2. Step 2: Convert to fraction form
    211,766,815.60/292,245,293.73 = 117,684,927.93/x
  3. Step 3: Cross multiply
    211,766,815.60x = 292,245,293.73 × 117,684,927.93
  4. Step 4: Simplify right side
    211,766,815.60x = 34,392,866,328,447,080
  5. Step 5: Solve for x
    x = 34,392,866,328,447,080/211,766,815.60
  6. Step 6: Final answer
    x = 162,409,139.65

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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.