Finding the Fourth Proportional to 153,382,595.36, 211,673,204.94 and 90,712,415.44
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Solution
The fourth proportional to 153,382,595.36, 211,673,204.94 and 90,712,415.44 is: 125,186,222.45
Step by Step Solution
- Step 1: Write the proportion equation
153,382,595.36 : 211,673,204.94 = 90,712,415.44 : x - Step 2: Convert to fraction form
153,382,595.36/211,673,204.94 = 90,712,415.44/x - Step 3: Cross multiply
153,382,595.36x = 211,673,204.94 × 90,712,415.44 - Step 4: Simplify right side
153,382,595.36x = 19,201,387,703,504,356 - Step 5: Solve for x
x = 19,201,387,703,504,356/153,382,595.36 - Step 6: Final answer
x = 125,186,222.45
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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.