Home / 126,048,558.40-189,072,837.60-107,908,705.60

Finding the Fourth Proportional to 126,048,558.40, 189,072,837.60 and 107,908,705.60

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Solution

The fourth proportional to 126,048,558.40, 189,072,837.60 and 107,908,705.60 is: 161,863,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,048,558.40 : 189,072,837.60 = 107,908,705.60 : x
  2. Step 2: Convert to fraction form
    126,048,558.40/189,072,837.60 = 107,908,705.60/x
  3. Step 3: Cross multiply
    126,048,558.40x = 189,072,837.60 × 107,908,705.60
  4. Step 4: Simplify right side
    126,048,558.40x = 20,402,605,169,535,008
  5. Step 5: Solve for x
    x = 20,402,605,169,535,008/126,048,558.40
  6. Step 6: Final answer
    x = 161,863,058.40

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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.