Home / 186,821,792.75-257,814,064.15-100,892,324.52

Finding the Fourth Proportional to 186,821,792.75, 257,814,064.15 and 100,892,324.52

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Solution

The fourth proportional to 186,821,792.75, 257,814,064.15 and 100,892,324.52 is: 139,231,402.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,821,792.75 : 257,814,064.15 = 100,892,324.52 : x
  2. Step 2: Convert to fraction form
    186,821,792.75/257,814,064.15 = 100,892,324.52/x
  3. Step 3: Cross multiply
    186,821,792.75x = 257,814,064.15 × 100,892,324.52
  4. Step 4: Simplify right side
    186,821,792.75x = 26,011,460,225,789,668
  5. Step 5: Solve for x
    x = 26,011,460,225,789,668/186,821,792.75
  6. Step 6: Final answer
    x = 139,231,402.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.