Finding the Fourth Proportional to 229,130,603.72, 316,207,995.72 and 124,712,463.68
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Solution
The fourth proportional to 229,130,603.72, 316,207,995.72 and 124,712,463.68 is: 172,107,424.94
Step by Step Solution
- Step 1: Write the proportion equation
229,130,603.72 : 316,207,995.72 = 124,712,463.68 : x - Step 2: Convert to fraction form
229,130,603.72/316,207,995.72 = 124,712,463.68/x - Step 3: Cross multiply
229,130,603.72x = 316,207,995.72 × 124,712,463.68 - Step 4: Simplify right side
229,130,603.72x = 39,435,078,181,556,104 - Step 5: Solve for x
x = 39,435,078,181,556,104/229,130,603.72 - Step 6: Final answer
x = 172,107,424.94
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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.