Finding the Fourth Proportional to 133,706,872.19, 184,498,437.49 and 77,938,339.39
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Solution
The fourth proportional to 133,706,872.19, 184,498,437.49 and 77,938,339.39 is: 107,544,972.08
Step by Step Solution
- Step 1: Write the proportion equation
133,706,872.19 : 184,498,437.49 = 77,938,339.39 : x - Step 2: Convert to fraction form
133,706,872.19/184,498,437.49 = 77,938,339.39/x - Step 3: Cross multiply
133,706,872.19x = 184,498,437.49 × 77,938,339.39 - Step 4: Simplify right side
133,706,872.19x = 14,379,501,837,364,230 - Step 5: Solve for x
x = 14,379,501,837,364,230/133,706,872.19 - Step 6: Final answer
x = 107,544,972.08
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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.