Finding the Fourth Proportional to 107,673,809.84, 148,589,101.64 and 58,781,237.84
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Solution
The fourth proportional to 107,673,809.84, 148,589,101.64 and 58,781,237.84 is: 81,117,695.54
Step by Step Solution
- Step 1: Write the proportion equation
107,673,809.84 : 148,589,101.64 = 58,781,237.84 : x - Step 2: Convert to fraction form
107,673,809.84/148,589,101.64 = 58,781,237.84/x - Step 3: Cross multiply
107,673,809.84x = 148,589,101.64 × 58,781,237.84 - Step 4: Simplify right side
107,673,809.84x = 8,734,251,323,932,774 - Step 5: Solve for x
x = 8,734,251,323,932,774/107,673,809.84 - Step 6: Final answer
x = 81,117,695.54
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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.