Finding the Fourth Proportional to 43,113,863.70, 64,670,795.55 and 38,862,335.70
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Solution
The fourth proportional to 43,113,863.70, 64,670,795.55 and 38,862,335.70 is: 58,293,503.55
Step by Step Solution
- Step 1: Write the proportion equation
43,113,863.70 : 64,670,795.55 = 38,862,335.70 : x - Step 2: Convert to fraction form
43,113,863.70/64,670,795.55 = 38,862,335.70/x - Step 3: Cross multiply
43,113,863.70x = 64,670,795.55 × 38,862,335.70 - Step 4: Simplify right side
43,113,863.70x = 2,513,258,166,650,166 - Step 5: Solve for x
x = 2,513,258,166,650,166/43,113,863.70 - Step 6: Final answer
x = 58,293,503.55
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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.