Finding the Fourth Proportional to 66,668,998.60, 100,503,195.34 and 62,224,823.08
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Solution
The fourth proportional to 66,668,998.60, 100,503,195.34 and 62,224,823.08 is: 93,803,622.08
Step by Step Solution
- Step 1: Write the proportion equation
66,668,998.60 : 100,503,195.34 = 62,224,823.08 : x - Step 2: Convert to fraction form
66,668,998.60/100,503,195.34 = 62,224,823.08/x - Step 3: Cross multiply
66,668,998.60x = 100,503,195.34 × 62,224,823.08 - Step 4: Simplify right side
66,668,998.60x = 6,253,793,549,006,180 - Step 5: Solve for x
x = 6,253,793,549,006,180/66,668,998.60 - Step 6: Final answer
x = 93,803,622.08
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.