Finding the Fourth Proportional to 148,820,122.44, 205,305,488.64 and 86,913,150.84
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Solution
The fourth proportional to 148,820,122.44, 205,305,488.64 and 86,913,150.84 is: 119,901,439.47
Step by Step Solution
- Step 1: Write the proportion equation
148,820,122.44 : 205,305,488.64 = 86,913,150.84 : x - Step 2: Convert to fraction form
148,820,122.44/205,305,488.64 = 86,913,150.84/x - Step 3: Cross multiply
148,820,122.44x = 205,305,488.64 × 86,913,150.84 - Step 4: Simplify right side
148,820,122.44x = 17,843,746,902,448,226 - Step 5: Solve for x
x = 17,843,746,902,448,226/148,820,122.44 - Step 6: Final answer
x = 119,901,439.47
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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.