Finding the Fourth Proportional to 108,622,665.70, 163,122,955.35 and 57,604,329.70
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Solution
The fourth proportional to 108,622,665.70, 163,122,955.35 and 57,604,329.70 is: 86,506,701.35
Step by Step Solution
- Step 1: Write the proportion equation
108,622,665.70 : 163,122,955.35 = 57,604,329.70 : x - Step 2: Convert to fraction form
108,622,665.70/163,122,955.35 = 57,604,329.70/x - Step 3: Cross multiply
108,622,665.70x = 163,122,955.35 × 57,604,329.70 - Step 4: Simplify right side
108,622,665.70x = 9,396,588,501,619,780 - Step 5: Solve for x
x = 9,396,588,501,619,780/108,622,665.70 - Step 6: Final answer
x = 86,506,701.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.