Finding the Fourth Proportional to 84,163,595.60, 126,182,407.80 and 45,868,350.80
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Solution
The fourth proportional to 84,163,595.60, 126,182,407.80 and 45,868,350.80 is: 68,768,199.65
Step by Step Solution
- Step 1: Write the proportion equation
84,163,595.60 : 126,182,407.80 = 45,868,350.80 : x - Step 2: Convert to fraction form
84,163,595.60/126,182,407.80 = 45,868,350.80/x - Step 3: Cross multiply
84,163,595.60x = 126,182,407.80 × 45,868,350.80 - Step 4: Simplify right side
84,163,595.60x = 5,787,778,945,759,056 - Step 5: Solve for x
x = 5,787,778,945,759,056/84,163,595.60 - Step 6: Final answer
x = 68,768,199.65
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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.