Home / 112,020,105.70-168,030,158.55-98,583,177.70

Finding the Fourth Proportional to 112,020,105.70, 168,030,158.55 and 98,583,177.70

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Solution

The fourth proportional to 112,020,105.70, 168,030,158.55 and 98,583,177.70 is: 147,874,766.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,020,105.70 : 168,030,158.55 = 98,583,177.70 : x
  2. Step 2: Convert to fraction form
    112,020,105.70/168,030,158.55 = 98,583,177.70/x
  3. Step 3: Cross multiply
    112,020,105.70x = 168,030,158.55 × 98,583,177.70
  4. Step 4: Simplify right side
    112,020,105.70x = 16,564,946,979,293,826
  5. Step 5: Solve for x
    x = 16,564,946,979,293,826/112,020,105.70
  6. Step 6: Final answer
    x = 147,874,766.55

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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.