Finding the Fourth Proportional to 76,801,888.99, 115,202,944.35 and 31,363,683.49
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Solution
The fourth proportional to 76,801,888.99, 115,202,944.35 and 31,363,683.49 is: 47,045,570.51
Step by Step Solution
- Step 1: Write the proportion equation
76,801,888.99 : 115,202,944.35 = 31,363,683.49 : x - Step 2: Convert to fraction form
76,801,888.99/115,202,944.35 = 31,363,683.49/x - Step 3: Cross multiply
76,801,888.99x = 115,202,944.35 × 31,363,683.49 - Step 4: Simplify right side
76,801,888.99x = 3,613,188,683,709,483.50 - Step 5: Solve for x
x = 3,613,188,683,709,483.50/76,801,888.99 - Step 6: Final answer
x = 47,045,570.51
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1.5x scale
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.