Finding the Fourth Proportional to 64,748,860.80, 97,123,291.20 and 16,879,804.80
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Solution
The fourth proportional to 64,748,860.80, 97,123,291.20 and 16,879,804.80 is: 25,319,707.20
Step by Step Solution
- Step 1: Write the proportion equation
64,748,860.80 : 97,123,291.20 = 16,879,804.80 : x - Step 2: Convert to fraction form
64,748,860.80/97,123,291.20 = 16,879,804.80/x - Step 3: Cross multiply
64,748,860.80x = 97,123,291.20 × 16,879,804.80 - Step 4: Simplify right side
64,748,860.80x = 1,639,422,196,989,558 - Step 5: Solve for x
x = 1,639,422,196,989,558/64,748,860.80 - Step 6: Final answer
x = 25,319,707.20
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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.