Finding the Fourth Proportional to 48,122,479.70, 72,183,719.55 and 36,785,071.70
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Solution
The fourth proportional to 48,122,479.70, 72,183,719.55 and 36,785,071.70 is: 55,177,607.55
Step by Step Solution
- Step 1: Write the proportion equation
48,122,479.70 : 72,183,719.55 = 36,785,071.70 : x - Step 2: Convert to fraction form
48,122,479.70/72,183,719.55 = 36,785,071.70/x - Step 3: Cross multiply
48,122,479.70x = 72,183,719.55 × 36,785,071.70 - Step 4: Simplify right side
48,122,479.70x = 2,655,283,299,219,442 - Step 5: Solve for x
x = 2,655,283,299,219,442/48,122,479.70 - Step 6: Final answer
x = 55,177,607.55
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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.