Home / 291,869,534.40-437,804,301.60-119,233,003.20

Finding the Fourth Proportional to 291,869,534.40, 437,804,301.60 and 119,233,003.20

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Solution

The fourth proportional to 291,869,534.40, 437,804,301.60 and 119,233,003.20 is: 178,849,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,869,534.40 : 437,804,301.60 = 119,233,003.20 : x
  2. Step 2: Convert to fraction form
    291,869,534.40/437,804,301.60 = 119,233,003.20/x
  3. Step 3: Cross multiply
    291,869,534.40x = 437,804,301.60 × 119,233,003.20
  4. Step 4: Simplify right side
    291,869,534.40x = 52,200,721,693,646,568
  5. Step 5: Solve for x
    x = 52,200,721,693,646,568/291,869,534.40
  6. Step 6: Final answer
    x = 178,849,504.80

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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.