Home / 118,210,013.70-177,315,020.55-102,054,207.30

Finding the Fourth Proportional to 118,210,013.70, 177,315,020.55 and 102,054,207.30

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Solution

The fourth proportional to 118,210,013.70, 177,315,020.55 and 102,054,207.30 is: 153,081,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,210,013.70 : 177,315,020.55 = 102,054,207.30 : x
  2. Step 2: Convert to fraction form
    118,210,013.70/177,315,020.55 = 102,054,207.30/x
  3. Step 3: Cross multiply
    118,210,013.70x = 177,315,020.55 × 102,054,207.30
  4. Step 4: Simplify right side
    118,210,013.70x = 18,095,743,864,613,460
  5. Step 5: Solve for x
    x = 18,095,743,864,613,460/118,210,013.70
  6. Step 6: Final answer
    x = 153,081,310.95

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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.