Home / 162,105,261.93-223,702,590.96-87,765,228.12

Finding the Fourth Proportional to 162,105,261.93, 223,702,590.96 and 87,765,228.12

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Solution

The fourth proportional to 162,105,261.93, 223,702,590.96 and 87,765,228.12 is: 121,114,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,105,261.93 : 223,702,590.96 = 87,765,228.12 : x
  2. Step 2: Convert to fraction form
    162,105,261.93/223,702,590.96 = 87,765,228.12/x
  3. Step 3: Cross multiply
    162,105,261.93x = 223,702,590.96 × 87,765,228.12
  4. Step 4: Simplify right side
    162,105,261.93x = 19,633,308,926,639,452
  5. Step 5: Solve for x
    x = 19,633,308,926,639,452/162,105,261.93
  6. Step 6: Final answer
    x = 121,114,568.97

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1.5x scale

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.