Finding the Fourth Proportional to 135,040,798.98, 186,353,873.38 and 76,302,202.98
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Solution
The fourth proportional to 135,040,798.98, 186,353,873.38 and 76,302,202.98 is: 105,295,667.53
Step by Step Solution
- Step 1: Write the proportion equation
135,040,798.98 : 186,353,873.38 = 76,302,202.98 : x - Step 2: Convert to fraction form
135,040,798.98/186,353,873.38 = 76,302,202.98/x - Step 3: Cross multiply
135,040,798.98x = 186,353,873.38 × 76,302,202.98 - Step 4: Simplify right side
135,040,798.98x = 14,219,211,072,804,428 - Step 5: Solve for x
x = 14,219,211,072,804,428/135,040,798.98 - Step 6: Final answer
x = 105,295,667.53
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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.