Home / 199,331,272.80-298,674,982.80-112,812,386.40

Finding the Fourth Proportional to 199,331,272.80, 298,674,982.80 and 112,812,386.40

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Solution

The fourth proportional to 199,331,272.80, 298,674,982.80 and 112,812,386.40 is: 169,036,383.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,331,272.80 : 298,674,982.80 = 112,812,386.40 : x
  2. Step 2: Convert to fraction form
    199,331,272.80/298,674,982.80 = 112,812,386.40/x
  3. Step 3: Cross multiply
    199,331,272.80x = 298,674,982.80 × 112,812,386.40
  4. Step 4: Simplify right side
    199,331,272.80x = 33,694,237,567,646,956
  5. Step 5: Solve for x
    x = 33,694,237,567,646,956/199,331,272.80
  6. Step 6: Final answer
    x = 169,036,383.98

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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.