Finding the Fourth Proportional to 76,867,038.16, 115,302,648.12 and 25,739,527.12
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Solution
The fourth proportional to 76,867,038.16, 115,302,648.12 and 25,739,527.12 is: 38,609,990.83
Step by Step Solution
- Step 1: Write the proportion equation
76,867,038.16 : 115,302,648.12 = 25,739,527.12 : x - Step 2: Convert to fraction form
76,867,038.16/115,302,648.12 = 25,739,527.12/x - Step 3: Cross multiply
76,867,038.16x = 115,302,648.12 × 25,739,527.12 - Step 4: Simplify right side
76,867,038.16x = 2,967,835,638,292,557.50 - Step 5: Solve for x
x = 2,967,835,638,292,557.50/76,867,038.16 - Step 6: Final answer
x = 38,609,990.83
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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.