Home / 210,926,585.60-291,081,016.28-116,842,173.65

Finding the Fourth Proportional to 210,926,585.60, 291,081,016.28 and 116,842,173.65

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Solution

The fourth proportional to 210,926,585.60, 291,081,016.28 and 116,842,173.65 is: 161,243,489.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,926,585.60 : 291,081,016.28 = 116,842,173.65 : x
  2. Step 2: Convert to fraction form
    210,926,585.60/291,081,016.28 = 116,842,173.65/x
  3. Step 3: Cross multiply
    210,926,585.60x = 291,081,016.28 × 116,842,173.65
  4. Step 4: Simplify right side
    210,926,585.60x = 34,010,538,650,549,728
  5. Step 5: Solve for x
    x = 34,010,538,650,549,728/210,926,585.60
  6. Step 6: Final answer
    x = 161,243,489.31

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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.