Home / 118,098,143.20-177,147,214.80-100,879,454.80

Finding the Fourth Proportional to 118,098,143.20, 177,147,214.80 and 100,879,454.80

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Solution

The fourth proportional to 118,098,143.20, 177,147,214.80 and 100,879,454.80 is: 151,319,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,143.20 : 177,147,214.80 = 100,879,454.80 : x
  2. Step 2: Convert to fraction form
    118,098,143.20/177,147,214.80 = 100,879,454.80/x
  3. Step 3: Cross multiply
    118,098,143.20x = 177,147,214.80 × 100,879,454.80
  4. Step 4: Simplify right side
    118,098,143.20x = 17,870,514,448,362,492
  5. Step 5: Solve for x
    x = 17,870,514,448,362,492/118,098,143.20
  6. Step 6: Final answer
    x = 151,319,182.20

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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.