Home / 240,535,648.39-331,939,194.81-130,527,361.39

Finding the Fourth Proportional to 240,535,648.39, 331,939,194.81 and 130,527,361.39

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Solution

The fourth proportional to 240,535,648.39, 331,939,194.81 and 130,527,361.39 is: 180,127,758.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,535,648.39 : 331,939,194.81 = 130,527,361.39 : x
  2. Step 2: Convert to fraction form
    240,535,648.39/331,939,194.81 = 130,527,361.39/x
  3. Step 3: Cross multiply
    240,535,648.39x = 331,939,194.81 × 130,527,361.39
  4. Step 4: Simplify right side
    240,535,648.39x = 43,327,147,240,470,480
  5. Step 5: Solve for x
    x = 43,327,147,240,470,480/240,535,648.39
  6. Step 6: Final answer
    x = 180,127,758.74

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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.