Finding the Fourth Proportional to 75,784,545.36, 104,582,746.80 and 40,977,226.80
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Solution
The fourth proportional to 75,784,545.36, 104,582,746.80 and 40,977,226.80 is: 56,548,613.11
Step by Step Solution
- Step 1: Write the proportion equation
75,784,545.36 : 104,582,746.80 = 40,977,226.80 : x - Step 2: Convert to fraction form
75,784,545.36/104,582,746.80 = 40,977,226.80/x - Step 3: Cross multiply
75,784,545.36x = 104,582,746.80 × 40,977,226.80 - Step 4: Simplify right side
75,784,545.36x = 4,285,510,934,990,574 - Step 5: Solve for x
x = 4,285,510,934,990,574/75,784,545.36 - Step 6: Final answer
x = 56,548,613.11
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1.5x scale
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.