Finding the Fourth Proportional to 69,737,017.14, 96,237,969.36 and 38,378,676.66
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Solution
The fourth proportional to 69,737,017.14, 96,237,969.36 and 38,378,676.66 is: 52,963,061.23
Step by Step Solution
- Step 1: Write the proportion equation
69,737,017.14 : 96,237,969.36 = 38,378,676.66 : x - Step 2: Convert to fraction form
69,737,017.14/96,237,969.36 = 38,378,676.66/x - Step 3: Cross multiply
69,737,017.14x = 96,237,969.36 × 38,378,676.66 - Step 4: Simplify right side
69,737,017.14x = 3,693,485,908,482,427 - Step 5: Solve for x
x = 3,693,485,908,482,427/69,737,017.14 - Step 6: Final answer
x = 52,963,061.23
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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.