Home / 137,133,738.96-189,235,242.83-75,258,063.33

Finding the Fourth Proportional to 137,133,738.96, 189,235,242.83 and 75,258,063.33

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Solution

The fourth proportional to 137,133,738.96, 189,235,242.83 and 75,258,063.33 is: 103,851,014.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,133,738.96 : 189,235,242.83 = 75,258,063.33 : x
  2. Step 2: Convert to fraction form
    137,133,738.96/189,235,242.83 = 75,258,063.33/x
  3. Step 3: Cross multiply
    137,133,738.96x = 189,235,242.83 × 75,258,063.33
  4. Step 4: Simplify right side
    137,133,738.96x = 14,241,477,889,168,070
  5. Step 5: Solve for x
    x = 14,241,477,889,168,070/137,133,738.96
  6. Step 6: Final answer
    x = 103,851,014.32

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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.