Finding the Fourth Proportional to 93,359,689.93, 128,847,669.60 and 53,135,465.74
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Solution
The fourth proportional to 93,359,689.93, 128,847,669.60 and 53,135,465.74 is: 73,333,372.67
Step by Step Solution
- Step 1: Write the proportion equation
93,359,689.93 : 128,847,669.60 = 53,135,465.74 : x - Step 2: Convert to fraction form
93,359,689.93/128,847,669.60 = 53,135,465.74/x - Step 3: Cross multiply
93,359,689.93x = 128,847,669.60 × 53,135,465.74 - Step 4: Simplify right side
93,359,689.93x = 6,846,380,933,709,639 - Step 5: Solve for x
x = 6,846,380,933,709,639/93,359,689.93 - Step 6: Final answer
x = 73,333,372.67
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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.