Finding the Fourth Proportional to 83,414,795.70, 125,122,193.55 and 70,817,675.70
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Solution
The fourth proportional to 83,414,795.70, 125,122,193.55 and 70,817,675.70 is: 106,226,513.55
Step by Step Solution
- Step 1: Write the proportion equation
83,414,795.70 : 125,122,193.55 = 70,817,675.70 : x - Step 2: Convert to fraction form
83,414,795.70/125,122,193.55 = 70,817,675.70/x - Step 3: Cross multiply
83,414,795.70x = 125,122,193.55 × 70,817,675.70 - Step 4: Simplify right side
83,414,795.70x = 8,860,862,925,696,532 - Step 5: Solve for x
x = 8,860,862,925,696,532/83,414,795.70 - Step 6: Final answer
x = 106,226,513.55
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1.5x scale
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.