Finding the Fourth Proportional to 93,818,549.09, 129,469,373.58 and 51,432,032.81
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Solution
The fourth proportional to 93,818,549.09, 129,469,373.58 and 51,432,032.81 is: 70,976,082.39
Step by Step Solution
- Step 1: Write the proportion equation
93,818,549.09 : 129,469,373.58 = 51,432,032.81 : x - Step 2: Convert to fraction form
93,818,549.09/129,469,373.58 = 51,432,032.81/x - Step 3: Cross multiply
93,818,549.09x = 129,469,373.58 × 51,432,032.81 - Step 4: Simplify right side
93,818,549.09x = 6,658,873,069,856,707 - Step 5: Solve for x
x = 6,658,873,069,856,707/93,818,549.09 - Step 6: Final answer
x = 70,976,082.39
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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.