Home / 126,038,410.40-189,057,615.60-107,898,557.60

Finding the Fourth Proportional to 126,038,410.40, 189,057,615.60 and 107,898,557.60

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Solution

The fourth proportional to 126,038,410.40, 189,057,615.60 and 107,898,557.60 is: 161,847,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,038,410.40 : 189,057,615.60 = 107,898,557.60 : x
  2. Step 2: Convert to fraction form
    126,038,410.40/189,057,615.60 = 107,898,557.60/x
  3. Step 3: Cross multiply
    126,038,410.40x = 189,057,615.60 × 107,898,557.60
  4. Step 4: Simplify right side
    126,038,410.40x = 20,399,044,026,535,256
  5. Step 5: Solve for x
    x = 20,399,044,026,535,256/126,038,410.40
  6. Step 6: Final answer
    x = 161,847,836.40

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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.