Finding the Fourth Proportional to 85,603,353,405.77, 118,132,903,737.05 and 47,541,560,403.44
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Solution
The fourth proportional to 85,603,353,405.77, 118,132,903,737.05 and 47,541,560,403.44 is: 65,607,506,659.55
Step by Step Solution
- Step 1: Write the proportion equation
85,603,353,405.77 : 118,132,903,737.05 = 47,541,560,403.44 : x - Step 2: Convert to fraction form
85,603,353,405.77/118,132,903,737.05 = 47,541,560,403.44/x - Step 3: Cross multiply
85,603,353,405.77x = 118,132,903,737.05 × 47,541,560,403.44 - Step 4: Simplify right side
85,603,353,405.77x = 5,616,222,578,648,725,585,920 - Step 5: Solve for x
x = 5,616,222,578,648,725,585,920/85,603,353,405.77 - Step 6: Final answer
x = 65,607,506,659.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.