Finding the Fourth Proportional to 135,558,683.84, 187,072,118.88 and 73,679,005.92
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Solution
The fourth proportional to 135,558,683.84, 187,072,118.88 and 73,679,005.92 is: 101,677,645.16
Step by Step Solution
- Step 1: Write the proportion equation
135,558,683.84 : 187,072,118.88 = 73,679,005.92 : x - Step 2: Convert to fraction form
135,558,683.84/187,072,118.88 = 73,679,005.92/x - Step 3: Cross multiply
135,558,683.84x = 187,072,118.88 × 73,679,005.92 - Step 4: Simplify right side
135,558,683.84x = 13,783,287,754,426,464 - Step 5: Solve for x
x = 13,783,287,754,426,464/135,558,683.84 - Step 6: Final answer
x = 101,677,645.16
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.