Finding the Fourth Proportional to 113,835,683.86, 157,093,210.68 and 61,624,681.08
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Solution
The fourth proportional to 113,835,683.86, 157,093,210.68 and 61,624,681.08 is: 85,042,041.99
Step by Step Solution
- Step 1: Write the proportion equation
113,835,683.86 : 157,093,210.68 = 61,624,681.08 : x - Step 2: Convert to fraction form
113,835,683.86/157,093,210.68 = 61,624,681.08/x - Step 3: Cross multiply
113,835,683.86x = 157,093,210.68 × 61,624,681.08 - Step 4: Simplify right side
113,835,683.86x = 9,680,819,006,894,662 - Step 5: Solve for x
x = 9,680,819,006,894,662/113,835,683.86 - Step 6: Final answer
x = 85,042,041.99
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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.