Finding the Fourth Proportional to 133,513,902.80, 184,246,747.21 and 73,974,981.75
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Solution
The fourth proportional to 133,513,902.80, 184,246,747.21 and 73,974,981.75 is: 102,084,123.65
Step by Step Solution
- Step 1: Write the proportion equation
133,513,902.80 : 184,246,747.21 = 73,974,981.75 : x - Step 2: Convert to fraction form
133,513,902.80/184,246,747.21 = 73,974,981.75/x - Step 3: Cross multiply
133,513,902.80x = 184,246,747.21 × 73,974,981.75 - Step 4: Simplify right side
133,513,902.80x = 13,629,649,762,356,614 - Step 5: Solve for x
x = 13,629,649,762,356,614/133,513,902.80 - Step 6: Final answer
x = 102,084,123.65
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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.