Finding the Fourth Proportional to 132,699,132.04, 199,065,528.80 and 51,909,602.44
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Solution
The fourth proportional to 132,699,132.04, 199,065,528.80 and 51,909,602.44 is: 77,870,987.55
Step by Step Solution
- Step 1: Write the proportion equation
132,699,132.04 : 199,065,528.80 = 51,909,602.44 : x - Step 2: Convert to fraction form
132,699,132.04/199,065,528.80 = 51,909,602.44/x - Step 3: Cross multiply
132,699,132.04x = 199,065,528.80 × 51,909,602.44 - Step 4: Simplify right side
132,699,132.04x = 10,333,412,459,516,370 - Step 5: Solve for x
x = 10,333,412,459,516,370/132,699,132.04 - Step 6: Final answer
x = 77,870,987.55
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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.