Finding the Fourth Proportional to 126,808,462.94, 174,992,718.27 and 74,600,860.70
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Solution
The fourth proportional to 126,808,462.94, 174,992,718.27 and 74,600,860.70 is: 102,947,446.07
Step by Step Solution
- Step 1: Write the proportion equation
126,808,462.94 : 174,992,718.27 = 74,600,860.70 : x - Step 2: Convert to fraction form
126,808,462.94/174,992,718.27 = 74,600,860.70/x - Step 3: Cross multiply
126,808,462.94x = 174,992,718.27 × 74,600,860.70 - Step 4: Simplify right side
126,808,462.94x = 13,054,607,399,174,616 - Step 5: Solve for x
x = 13,054,607,399,174,616/126,808,462.94 - Step 6: Final answer
x = 102,947,446.07
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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.