Finding the Fourth Proportional to 53,968,319.60, 80,924,485.80 and 19,872,114.80
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Solution
The fourth proportional to 53,968,319.60, 80,924,485.80 and 19,872,114.80 is: 29,797,864.45
Step by Step Solution
- Step 1: Write the proportion equation
53,968,319.60 : 80,924,485.80 = 19,872,114.80 : x - Step 2: Convert to fraction form
53,968,319.60/80,924,485.80 = 19,872,114.80/x - Step 3: Cross multiply
53,968,319.60x = 80,924,485.80 × 19,872,114.80 - Step 4: Simplify right side
53,968,319.60x = 1,608,140,671,948,569.75 - Step 5: Solve for x
x = 1,608,140,671,948,569.75/53,968,319.60 - Step 6: Final answer
x = 29,797,864.45
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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.