Home / 190,845,888.30-286,268,832.45-161,284,646.70

Finding the Fourth Proportional to 190,845,888.30, 286,268,832.45 and 161,284,646.70

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Solution

The fourth proportional to 190,845,888.30, 286,268,832.45 and 161,284,646.70 is: 241,926,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,845,888.30 : 286,268,832.45 = 161,284,646.70 : x
  2. Step 2: Convert to fraction form
    190,845,888.30/286,268,832.45 = 161,284,646.70/x
  3. Step 3: Cross multiply
    190,845,888.30x = 286,268,832.45 × 161,284,646.70
  4. Step 4: Simplify right side
    190,845,888.30x = 46,170,767,502,919,744
  5. Step 5: Solve for x
    x = 46,170,767,502,919,744/190,845,888.30
  6. Step 6: Final answer
    x = 241,926,970.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.