Home / 211,064,168.36-291,268,580.45-116,984,382.68

Finding the Fourth Proportional to 211,064,168.36, 291,268,580.45 and 116,984,382.68

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Solution

The fourth proportional to 211,064,168.36, 291,268,580.45 and 116,984,382.68 is: 161,438,463.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,064,168.36 : 291,268,580.45 = 116,984,382.68 : x
  2. Step 2: Convert to fraction form
    211,064,168.36/291,268,580.45 = 116,984,382.68/x
  3. Step 3: Cross multiply
    211,064,168.36x = 291,268,580.45 × 116,984,382.68
  4. Step 4: Simplify right side
    211,064,168.36x = 34,073,875,075,981,900
  5. Step 5: Solve for x
    x = 34,073,875,075,981,900/211,064,168.36
  6. Step 6: Final answer
    x = 161,438,463.67

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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.