Home / 186,821,784.49-257,814,052.76-100,892,316.26

Finding the Fourth Proportional to 186,821,784.49, 257,814,052.76 and 100,892,316.26

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Solution

The fourth proportional to 186,821,784.49, 257,814,052.76 and 100,892,316.26 is: 139,231,391.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,821,784.49 : 257,814,052.76 = 100,892,316.26 : x
  2. Step 2: Convert to fraction form
    186,821,784.49/257,814,052.76 = 100,892,316.26/x
  3. Step 3: Cross multiply
    186,821,784.49x = 257,814,052.76 × 100,892,316.26
  4. Step 4: Simplify right side
    186,821,784.49x = 26,011,456,945,540,712
  5. Step 5: Solve for x
    x = 26,011,456,945,540,712/186,821,784.49
  6. Step 6: Final answer
    x = 139,231,391.12

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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.