Finding the Fourth Proportional to 51,127,533.29, 70,557,737.05 and 30,237,473.31
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Solution
The fourth proportional to 51,127,533.29, 70,557,737.05 and 30,237,473.31 is: 41,728,742.88
Step by Step Solution
- Step 1: Write the proportion equation
51,127,533.29 : 70,557,737.05 = 30,237,473.31 : x - Step 2: Convert to fraction form
51,127,533.29/70,557,737.05 = 30,237,473.31/x - Step 3: Cross multiply
51,127,533.29x = 70,557,737.05 × 30,237,473.31 - Step 4: Simplify right side
51,127,533.29x = 2,133,487,690,863,373 - Step 5: Solve for x
x = 2,133,487,690,863,373/51,127,533.29 - Step 6: Final answer
x = 41,728,742.88
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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.