Finding the Fourth Proportional to 135,151,706,426.58, 186,509,539,562.45 and 73,352,277,035.37
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Solution
The fourth proportional to 135,151,706,426.58, 186,509,539,562.45 and 73,352,277,035.37 is: 101,226,242,549.56
Step by Step Solution
- Step 1: Write the proportion equation
135,151,706,426.58 : 186,509,539,562.45 = 73,352,277,035.37 : x - Step 2: Convert to fraction form
135,151,706,426.58/186,509,539,562.45 = 73,352,277,035.37/x - Step 3: Cross multiply
135,151,706,426.58x = 186,509,539,562.45 × 73,352,277,035.37 - Step 4: Simplify right side
135,151,706,426.58x = 13,680,899,415,724,133,449,728 - Step 5: Solve for x
x = 13,680,899,415,724,133,449,728/135,151,706,426.58 - Step 6: Final answer
x = 101,226,242,549.56
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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.