Finding the Fourth Proportional to 135,260,853.84, 186,647,640.12 and 76,528,881.36
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Solution
The fourth proportional to 135,260,853.84, 186,647,640.12 and 76,528,881.36 is: 105,602,875.49
Step by Step Solution
- Step 1: Write the proportion equation
135,260,853.84 : 186,647,640.12 = 76,528,881.36 : x - Step 2: Convert to fraction form
135,260,853.84/186,647,640.12 = 76,528,881.36/x - Step 3: Cross multiply
135,260,853.84x = 186,647,640.12 × 76,528,881.36 - Step 4: Simplify right side
135,260,853.84x = 14,283,935,106,867,456 - Step 5: Solve for x
x = 14,283,935,106,867,456/135,260,853.84 - Step 6: Final answer
x = 105,602,875.49
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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.