Finding the Fourth Proportional to 135,528,553.16, 187,029,261 and 73,648,759.40
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Solution
The fourth proportional to 135,528,553.16, 187,029,261 and 73,648,759.40 is: 101,635,210.61
Step by Step Solution
- Step 1: Write the proportion equation
135,528,553.16 : 187,029,261 = 73,648,759.40 : x - Step 2: Convert to fraction form
135,528,553.16/187,029,261 = 73,648,759.40/x - Step 3: Cross multiply
135,528,553.16x = 187,029,261 × 73,648,759.40 - Step 4: Simplify right side
135,528,553.16x = 13,774,473,044,148,804 - Step 5: Solve for x
x = 13,774,473,044,148,804/135,528,553.16 - Step 6: Final answer
x = 101,635,210.61
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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.