Finding the Fourth Proportional to 133,458,612.70, 184,180,474.68 and 74,720,763.94
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Solution
The fourth proportional to 133,458,612.70, 184,180,474.68 and 74,720,763.94 is: 103,118,903.25
Step by Step Solution
- Step 1: Write the proportion equation
133,458,612.70 : 184,180,474.68 = 74,720,763.94 : x - Step 2: Convert to fraction form
133,458,612.70/184,180,474.68 = 74,720,763.94/x - Step 3: Cross multiply
133,458,612.70x = 184,180,474.68 × 74,720,763.94 - Step 4: Simplify right side
133,458,612.70x = 13,762,105,770,921,428 - Step 5: Solve for x
x = 13,762,105,770,921,428/133,458,612.70 - Step 6: Final answer
x = 103,118,903.25
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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.