Finding the Fourth Proportional to 85,588,658.82, 118,112,349.18 and 48,920,017.14
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Solution
The fourth proportional to 85,588,658.82, 118,112,349.18 and 48,920,017.14 is: 67,509,623.66
Step by Step Solution
- Step 1: Write the proportion equation
85,588,658.82 : 118,112,349.18 = 48,920,017.14 : x - Step 2: Convert to fraction form
85,588,658.82/118,112,349.18 = 48,920,017.14/x - Step 3: Cross multiply
85,588,658.82x = 118,112,349.18 × 48,920,017.14 - Step 4: Simplify right side
85,588,658.82x = 5,778,058,146,331,265 - Step 5: Solve for x
x = 5,778,058,146,331,265/85,588,658.82 - Step 6: Final answer
x = 67,509,623.66
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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.