Home / 199,359,834.80-298,717,825.80-112,840,948.40

Finding the Fourth Proportional to 199,359,834.80, 298,717,825.80 and 112,840,948.40

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Solution

The fourth proportional to 199,359,834.80, 298,717,825.80 and 112,840,948.40 is: 169,079,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,359,834.80 : 298,717,825.80 = 112,840,948.40 : x
  2. Step 2: Convert to fraction form
    199,359,834.80/298,717,825.80 = 112,840,948.40/x
  3. Step 3: Cross multiply
    199,359,834.80x = 298,717,825.80 × 112,840,948.40
  4. Step 4: Simplify right side
    199,359,834.80x = 33,707,602,767,257,992
  5. Step 5: Solve for x
    x = 33,707,602,767,257,992/199,359,834.80
  6. Step 6: Final answer
    x = 169,079,206.96

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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.