Home / 211,064,178.96-291,268,595.12-116,984,393.28

Finding the Fourth Proportional to 211,064,178.96, 291,268,595.12 and 116,984,393.28

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Solution

The fourth proportional to 211,064,178.96, 291,268,595.12 and 116,984,393.28 is: 161,438,478.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,064,178.96 : 291,268,595.12 = 116,984,393.28 : x
  2. Step 2: Convert to fraction form
    211,064,178.96/291,268,595.12 = 116,984,393.28/x
  3. Step 3: Cross multiply
    211,064,178.96x = 291,268,595.12 × 116,984,393.28
  4. Step 4: Simplify right side
    211,064,178.96x = 34,073,879,881,631,168
  5. Step 5: Solve for x
    x = 34,073,879,881,631,168/211,064,178.96
  6. Step 6: Final answer
    x = 161,438,478.33

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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.