Finding the Fourth Proportional to 92,555,436.70, 138,833,155.05 and 68,667,564.70
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Solution
The fourth proportional to 92,555,436.70, 138,833,155.05 and 68,667,564.70 is: 103,001,347.05
Step by Step Solution
- Step 1: Write the proportion equation
92,555,436.70 : 138,833,155.05 = 68,667,564.70 : x - Step 2: Convert to fraction form
92,555,436.70/138,833,155.05 = 68,667,564.70/x - Step 3: Cross multiply
92,555,436.70x = 138,833,155.05 × 68,667,564.70 - Step 4: Simplify right side
92,555,436.70x = 9,533,334,656,901,008 - Step 5: Solve for x
x = 9,533,334,656,901,008/92,555,436.70 - Step 6: Final answer
x = 103,001,347.05
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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.