Finding the Fourth Proportional to 48,386,168.80, 72,687,387.60 and 40,423,544.80
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Solution
The fourth proportional to 48,386,168.80, 72,687,387.60 and 40,423,544.80 is: 60,725,656.56
Step by Step Solution
- Step 1: Write the proportion equation
48,386,168.80 : 72,687,387.60 = 40,423,544.80 : x - Step 2: Convert to fraction form
48,386,168.80/72,687,387.60 = 40,423,544.80/x - Step 3: Cross multiply
48,386,168.80x = 72,687,387.60 × 40,423,544.80 - Step 4: Simplify right side
48,386,168.80x = 2,938,281,869,043,564 - Step 5: Solve for x
x = 2,938,281,869,043,564/48,386,168.80 - Step 6: Final answer
x = 60,725,656.56
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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.