Finding the Fourth Proportional to 125,070,058.49, 172,596,697.11 and 69,319,078.20
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Solution
The fourth proportional to 125,070,058.49, 172,596,697.11 and 69,319,078.20 is: 95,660,337.01
Step by Step Solution
- Step 1: Write the proportion equation
125,070,058.49 : 172,596,697.11 = 69,319,078.20 : x - Step 2: Convert to fraction form
125,070,058.49/172,596,697.11 = 69,319,078.20/x - Step 3: Cross multiply
125,070,058.49x = 172,596,697.11 × 69,319,078.20 - Step 4: Simplify right side
125,070,058.49x = 11,964,243,944,029,806 - Step 5: Solve for x
x = 11,964,243,944,029,806/125,070,058.49 - Step 6: Final answer
x = 95,660,337.01
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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.