Finding the Fourth Proportional to 71,569,465.30, 107,354,197.95 and 60,483,999.70
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Solution
The fourth proportional to 71,569,465.30, 107,354,197.95 and 60,483,999.70 is: 90,725,999.55
Step by Step Solution
- Step 1: Write the proportion equation
71,569,465.30 : 107,354,197.95 = 60,483,999.70 : x - Step 2: Convert to fraction form
71,569,465.30/107,354,197.95 = 60,483,999.70/x - Step 3: Cross multiply
71,569,465.30x = 107,354,197.95 × 60,483,999.70 - Step 4: Simplify right side
71,569,465.30x = 6,493,211,276,601,541 - Step 5: Solve for x
x = 6,493,211,276,601,541/71,569,465.30 - Step 6: Final answer
x = 90,725,999.55
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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.