Home / 210,886,586.65-291,001,334.24-116,798,268.78

Finding the Fourth Proportional to 210,886,586.65, 291,001,334.24 and 116,798,268.78

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Solution

The fourth proportional to 210,886,586.65, 291,001,334.24 and 116,798,268.78 is: 161,169,340.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,886,586.65 : 291,001,334.24 = 116,798,268.78 : x
  2. Step 2: Convert to fraction form
    210,886,586.65/291,001,334.24 = 116,798,268.78/x
  3. Step 3: Cross multiply
    210,886,586.65x = 291,001,334.24 × 116,798,268.78
  4. Step 4: Simplify right side
    210,886,586.65x = 33,988,452,052,194,132
  5. Step 5: Solve for x
    x = 33,988,452,052,194,132/210,886,586.65
  6. Step 6: Final answer
    x = 161,169,340.32

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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.