Home / 298,953,667.85-448,430,501.78-83,542,915.85

Finding the Fourth Proportional to 298,953,667.85, 448,430,501.78 and 83,542,915.85

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Solution

The fourth proportional to 298,953,667.85, 448,430,501.78 and 83,542,915.85 is: 125,314,373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,953,667.85 : 448,430,501.78 = 83,542,915.85 : x
  2. Step 2: Convert to fraction form
    298,953,667.85/448,430,501.78 = 83,542,915.85/x
  3. Step 3: Cross multiply
    298,953,667.85x = 448,430,501.78 × 83,542,915.85
  4. Step 4: Simplify right side
    298,953,667.85x = 37,463,191,674,362,096
  5. Step 5: Solve for x
    x = 37,463,191,674,362,096/298,953,667.85
  6. Step 6: Final answer
    x = 125,314,373.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.