Finding the Fourth Proportional to 133,338,579,829.23, 184,007,376,346.29 and 72,370,959,613.54
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Solution
The fourth proportional to 133,338,579,829.23, 184,007,376,346.29 and 72,370,959,613.54 is: 99,871,998,180.92
Step by Step Solution
- Step 1: Write the proportion equation
133,338,579,829.23 : 184,007,376,346.29 = 72,370,959,613.54 : x - Step 2: Convert to fraction form
133,338,579,829.23/184,007,376,346.29 = 72,370,959,613.54/x - Step 3: Cross multiply
133,338,579,829.23x = 184,007,376,346.29 × 72,370,959,613.54 - Step 4: Simplify right side
133,338,579,829.23x = 13,316,790,402,150,809,206,784 - Step 5: Solve for x
x = 13,316,790,402,150,809,206,784/133,338,579,829.23 - Step 6: Final answer
x = 99,871,998,180.92
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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.