Home / 211,047,459.44-291,245,273.13-118,228,620.65

Finding the Fourth Proportional to 211,047,459.44, 291,245,273.13 and 118,228,620.65

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Solution

The fourth proportional to 211,047,459.44, 291,245,273.13 and 118,228,620.65 is: 163,155,372.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,047,459.44 : 291,245,273.13 = 118,228,620.65 : x
  2. Step 2: Convert to fraction form
    211,047,459.44/291,245,273.13 = 118,228,620.65/x
  3. Step 3: Cross multiply
    211,047,459.44x = 291,245,273.13 × 118,228,620.65
  4. Step 4: Simplify right side
    211,047,459.44x = 34,433,526,911,536,180
  5. Step 5: Solve for x
    x = 34,433,526,911,536,180/211,047,459.44
  6. Step 6: Final answer
    x = 163,155,372.75

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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.