Home / 257,237,679-354,991,225.62-139,764,971.04

Finding the Fourth Proportional to 257,237,679, 354,991,225.62 and 139,764,971.04

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Solution

The fourth proportional to 257,237,679, 354,991,225.62 and 139,764,971.04 is: 192,877,414.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,237,679 : 354,991,225.62 = 139,764,971.04 : x
  2. Step 2: Convert to fraction form
    257,237,679/354,991,225.62 = 139,764,971.04/x
  3. Step 3: Cross multiply
    257,237,679x = 354,991,225.62 × 139,764,971.04
  4. Step 4: Simplify right side
    257,237,679x = 49,615,338,368,233,400
  5. Step 5: Solve for x
    x = 49,615,338,368,233,400/257,237,679
  6. Step 6: Final answer
    x = 192,877,414.23

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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.