Finding the Fourth Proportional to 113,737,303,472.42, 156,881,902,134.14 and 73,143,535,970.84
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Solution
The fourth proportional to 113,737,303,472.42, 156,881,902,134.14 and 73,143,535,970.84 is: 100,889,476,905.03
Step by Step Solution
- Step 1: Write the proportion equation
113,737,303,472.42 : 156,881,902,134.14 = 73,143,535,970.84 : x - Step 2: Convert to fraction form
113,737,303,472.42/156,881,902,134.14 = 73,143,535,970.84/x - Step 3: Cross multiply
113,737,303,472.42x = 156,881,902,134.14 × 73,143,535,970.84 - Step 4: Simplify right side
113,737,303,472.42x = 11,474,897,051,921,487,495,168 - Step 5: Solve for x
x = 11,474,897,051,921,487,495,168/113,737,303,472.42 - Step 6: Final answer
x = 100,889,476,905.03
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1.5x scale
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.