Home / 298,953,669.60-448,430,504.40-83,542,917.60

Finding the Fourth Proportional to 298,953,669.60, 448,430,504.40 and 83,542,917.60

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Solution

The fourth proportional to 298,953,669.60, 448,430,504.40 and 83,542,917.60 is: 125,314,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,953,669.60 : 448,430,504.40 = 83,542,917.60 : x
  2. Step 2: Convert to fraction form
    298,953,669.60/448,430,504.40 = 83,542,917.60/x
  3. Step 3: Cross multiply
    298,953,669.60x = 448,430,504.40 × 83,542,917.60
  4. Step 4: Simplify right side
    298,953,669.60x = 37,463,192,678,415,632
  5. Step 5: Solve for x
    x = 37,463,192,678,415,632/298,953,669.60
  6. Step 6: Final answer
    x = 125,314,376.40

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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.