Finding the Fourth Proportional to 45,554,861.70, 68,332,292.55 and 42,047,351.10
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Solution
The fourth proportional to 45,554,861.70, 68,332,292.55 and 42,047,351.10 is: 63,071,026.65
Step by Step Solution
- Step 1: Write the proportion equation
45,554,861.70 : 68,332,292.55 = 42,047,351.10 : x - Step 2: Convert to fraction form
45,554,861.70/68,332,292.55 = 42,047,351.10/x - Step 3: Cross multiply
45,554,861.70x = 68,332,292.55 × 42,047,351.10 - Step 4: Simplify right side
45,554,861.70x = 2,873,191,896,317,764.50 - Step 5: Solve for x
x = 2,873,191,896,317,764.50/45,554,861.70 - Step 6: Final answer
x = 63,071,026.65
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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.