Finding the Fourth Proportional to 106,330,363.80, 159,495,545.70 and 60,854,760.60
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Solution
The fourth proportional to 106,330,363.80, 159,495,545.70 and 60,854,760.60 is: 91,282,140.90
Step by Step Solution
- Step 1: Write the proportion equation
106,330,363.80 : 159,495,545.70 = 60,854,760.60 : x - Step 2: Convert to fraction form
106,330,363.80/159,495,545.70 = 60,854,760.60/x - Step 3: Cross multiply
106,330,363.80x = 159,495,545.70 × 60,854,760.60 - Step 4: Simplify right side
106,330,363.80x = 9,706,063,250,339,858 - Step 5: Solve for x
x = 9,706,063,250,339,858/106,330,363.80 - Step 6: Final answer
x = 91,282,140.90
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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.