Finding the Fourth Proportional to 76,801,887.24, 115,202,941.73 and 31,363,681.74
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Solution
The fourth proportional to 76,801,887.24, 115,202,941.73 and 31,363,681.74 is: 47,045,567.88
Step by Step Solution
- Step 1: Write the proportion equation
76,801,887.24 : 115,202,941.73 = 31,363,681.74 : x - Step 2: Convert to fraction form
76,801,887.24/115,202,941.73 = 31,363,681.74/x - Step 3: Cross multiply
76,801,887.24x = 115,202,941.73 × 31,363,681.74 - Step 4: Simplify right side
76,801,887.24x = 3,613,188,399,316,266 - Step 5: Solve for x
x = 3,613,188,399,316,266/76,801,887.24 - Step 6: Final answer
x = 47,045,567.88
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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.