Home / 211,445,692.31-317,479,886.17-118,255,245.17

Finding the Fourth Proportional to 211,445,692.31, 317,479,886.17 and 118,255,245.17

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Solution

The fourth proportional to 211,445,692.31, 317,479,886.17 and 118,255,245.17 is: 177,556,995.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,445,692.31 : 317,479,886.17 = 118,255,245.17 : x
  2. Step 2: Convert to fraction form
    211,445,692.31/317,479,886.17 = 118,255,245.17/x
  3. Step 3: Cross multiply
    211,445,692.31x = 317,479,886.17 × 118,255,245.17
  4. Step 4: Simplify right side
    211,445,692.31x = 37,543,661,773,694,008
  5. Step 5: Solve for x
    x = 37,543,661,773,694,008/211,445,692.31
  6. Step 6: Final answer
    x = 177,556,995.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.