Home / 240,535,678.59-331,939,236.48-130,527,391.59

Finding the Fourth Proportional to 240,535,678.59, 331,939,236.48 and 130,527,391.59

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Solution

The fourth proportional to 240,535,678.59, 331,939,236.48 and 130,527,391.59 is: 180,127,800.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,535,678.59 : 331,939,236.48 = 130,527,391.59 : x
  2. Step 2: Convert to fraction form
    240,535,678.59/331,939,236.48 = 130,527,391.59/x
  3. Step 3: Cross multiply
    240,535,678.59x = 331,939,236.48 × 130,527,391.59
  4. Step 4: Simplify right side
    240,535,678.59x = 43,327,162,702,450,880
  5. Step 5: Solve for x
    x = 43,327,162,702,450,880/240,535,678.59
  6. Step 6: Final answer
    x = 180,127,800.41

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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.