Home / 112,020,140.70-168,030,211.05-98,583,212.70

Finding the Fourth Proportional to 112,020,140.70, 168,030,211.05 and 98,583,212.70

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Solution

The fourth proportional to 112,020,140.70, 168,030,211.05 and 98,583,212.70 is: 147,874,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,020,140.70 : 168,030,211.05 = 98,583,212.70 : x
  2. Step 2: Convert to fraction form
    112,020,140.70/168,030,211.05 = 98,583,212.70/x
  3. Step 3: Cross multiply
    112,020,140.70x = 168,030,211.05 × 98,583,212.70
  4. Step 4: Simplify right side
    112,020,140.70x = 16,564,958,035,968,042
  5. Step 5: Solve for x
    x = 16,564,958,035,968,042/112,020,140.70
  6. Step 6: Final answer
    x = 147,874,819.05

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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.