Finding the Fourth Proportional to 65,253,387.60, 97,873,743.48 and 19,815,575.76
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Solution
The fourth proportional to 65,253,387.60, 97,873,743.48 and 19,815,575.76 is: 29,721,439.00
Step by Step Solution
- Step 1: Write the proportion equation
65,253,387.60 : 97,873,743.48 = 19,815,575.76 : x - Step 2: Convert to fraction form
65,253,387.60/97,873,743.48 = 19,815,575.76/x - Step 3: Cross multiply
65,253,387.60x = 97,873,743.48 × 19,815,575.76 - Step 4: Simplify right side
65,253,387.60x = 1,939,424,578,842,746.25 - Step 5: Solve for x
x = 1,939,424,578,842,746.25/65,253,387.60 - Step 6: Final answer
x = 29,721,439.00
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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.