Finding the Fourth Proportional to 76,723,145.06, 115,157,475.36 and 47,488,551.95
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Solution
The fourth proportional to 76,723,145.06, 115,157,475.36 and 47,488,551.95 is: 71,277,862.08
Step by Step Solution
- Step 1: Write the proportion equation
76,723,145.06 : 115,157,475.36 = 47,488,551.95 : x - Step 2: Convert to fraction form
76,723,145.06/115,157,475.36 = 47,488,551.95/x - Step 3: Cross multiply
76,723,145.06x = 115,157,475.36 × 47,488,551.95 - Step 4: Simplify right side
76,723,145.06x = 5,468,661,751,352,099 - Step 5: Solve for x
x = 5,468,661,751,352,099/76,723,145.06 - Step 6: Final answer
x = 71,277,862.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.