Finding the Fourth Proportional to 93,092,720.40, 128,467,953.66 and 53,957,197.53
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Solution
The fourth proportional to 93,092,720.40, 128,467,953.66 and 53,957,197.53 is: 74,460,932.31
Step by Step Solution
- Step 1: Write the proportion equation
93,092,720.40 : 128,467,953.66 = 53,957,197.53 : x - Step 2: Convert to fraction form
93,092,720.40/128,467,953.66 = 53,957,197.53/x - Step 3: Cross multiply
93,092,720.40x = 128,467,953.66 × 53,957,197.53 - Step 4: Simplify right side
93,092,720.40x = 6,931,770,751,907,506 - Step 5: Solve for x
x = 6,931,770,751,907,506/93,092,720.40 - Step 6: Final answer
x = 74,460,932.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.