Finding the Fourth Proportional to 76,935,074.99, 106,186,437.98 and 70,730,293.55
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Solution
The fourth proportional to 76,935,074.99, 106,186,437.98 and 70,730,293.55 is: 97,622,546.42
Step by Step Solution
- Step 1: Write the proportion equation
76,935,074.99 : 106,186,437.98 = 70,730,293.55 : x - Step 2: Convert to fraction form
76,935,074.99/106,186,437.98 = 70,730,293.55/x - Step 3: Cross multiply
76,935,074.99x = 106,186,437.98 × 70,730,293.55 - Step 4: Simplify right side
76,935,074.99x = 7,510,597,929,332,223 - Step 5: Solve for x
x = 7,510,597,929,332,223/76,935,074.99 - Step 6: Final answer
x = 97,622,546.42
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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.