Home / 199,330,129.80-298,673,268.30-112,811,243.40

Finding the Fourth Proportional to 199,330,129.80, 298,673,268.30 and 112,811,243.40

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Solution

The fourth proportional to 199,330,129.80, 298,673,268.30 and 112,811,243.40 is: 169,034,670.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,330,129.80 : 298,673,268.30 = 112,811,243.40 : x
  2. Step 2: Convert to fraction form
    199,330,129.80/298,673,268.30 = 112,811,243.40/x
  3. Step 3: Cross multiply
    199,330,129.80x = 298,673,268.30 × 112,811,243.40
  4. Step 4: Simplify right side
    199,330,129.80x = 33,693,702,767,264,808
  5. Step 5: Solve for x
    x = 33,693,702,767,264,808/199,330,129.80
  6. Step 6: Final answer
    x = 169,034,670.28

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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.