Finding the Fourth Proportional to 93,485,574.96, 129,016,769.12 and 51,668,741.60
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Solution
The fourth proportional to 93,485,574.96, 129,016,769.12 and 51,668,741.60 is: 71,306,553.00
Step by Step Solution
- Step 1: Write the proportion equation
93,485,574.96 : 129,016,769.12 = 51,668,741.60 : x - Step 2: Convert to fraction form
93,485,574.96/129,016,769.12 = 51,668,741.60/x - Step 3: Cross multiply
93,485,574.96x = 129,016,769.12 × 51,668,741.60 - Step 4: Simplify right side
93,485,574.96x = 6,666,134,105,728,140 - Step 5: Solve for x
x = 6,666,134,105,728,140/93,485,574.96 - Step 6: Final answer
x = 71,306,553.00
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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.