Home / 199,281,806.70-298,922,710.05-91,786,382.70

Finding the Fourth Proportional to 199,281,806.70, 298,922,710.05 and 91,786,382.70

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Solution

The fourth proportional to 199,281,806.70, 298,922,710.05 and 91,786,382.70 is: 137,679,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,281,806.70 : 298,922,710.05 = 91,786,382.70 : x
  2. Step 2: Convert to fraction form
    199,281,806.70/298,922,710.05 = 91,786,382.70/x
  3. Step 3: Cross multiply
    199,281,806.70x = 298,922,710.05 × 91,786,382.70
  4. Step 4: Simplify right side
    199,281,806.70x = 27,437,034,262,370,440
  5. Step 5: Solve for x
    x = 27,437,034,262,370,440/199,281,806.70
  6. Step 6: Final answer
    x = 137,679,574.05

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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.