Finding the Fourth Proportional to 80,448,585.40, 120,735,863.70 and 37,323,132.40
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Solution
The fourth proportional to 80,448,585.40, 120,735,863.70 and 37,323,132.40 is: 56,013,919.99
Step by Step Solution
- Step 1: Write the proportion equation
80,448,585.40 : 120,735,863.70 = 37,323,132.40 : x - Step 2: Convert to fraction form
80,448,585.40/120,735,863.70 = 37,323,132.40/x - Step 3: Cross multiply
80,448,585.40x = 120,735,863.70 × 37,323,132.40 - Step 4: Simplify right side
80,448,585.40x = 4,506,240,626,303,454 - Step 5: Solve for x
x = 4,506,240,626,303,454/80,448,585.40 - Step 6: Final answer
x = 56,013,919.99
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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.