Finding the Fourth Proportional to 93,438,305.20, 140,157,457.80 and 93,438,305.20
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Solution
The fourth proportional to 93,438,305.20, 140,157,457.80 and 93,438,305.20 is: 140,157,457.80
Step by Step Solution
- Step 1: Write the proportion equation
93,438,305.20 : 140,157,457.80 = 93,438,305.20 : x - Step 2: Convert to fraction form
93,438,305.20/140,157,457.80 = 93,438,305.20/x - Step 3: Cross multiply
93,438,305.20x = 140,157,457.80 × 93,438,305.20 - Step 4: Simplify right side
93,438,305.20x = 13,096,075,317,972,522 - Step 5: Solve for x
x = 13,096,075,317,972,522/93,438,305.20 - Step 6: Final answer
x = 140,157,457.80
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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.