Finding the Fourth Proportional to 51,896,007,750.15, 71,621,828,509.99 and 31,574,906,147.79
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Solution
The fourth proportional to 51,896,007,750.15, 71,621,828,509.99 and 31,574,906,147.79 is: 43,576,618,151.90
Step by Step Solution
- Step 1: Write the proportion equation
51,896,007,750.15 : 71,621,828,509.99 = 31,574,906,147.79 : x - Step 2: Convert to fraction form
51,896,007,750.15/71,621,828,509.99 = 31,574,906,147.79/x - Step 3: Cross multiply
51,896,007,750.15x = 71,621,828,509.99 × 31,574,906,147.79 - Step 4: Simplify right side
51,896,007,750.15x = 2,261,452,513,336,170,905,600 - Step 5: Solve for x
x = 2,261,452,513,336,170,905,600/51,896,007,750.15 - Step 6: Final answer
x = 43,576,618,151.90
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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.