Finding the Fourth Proportional to 65,303,315.20, 97,965,340.80 and 22,176,582.40
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Solution
The fourth proportional to 65,303,315.20, 97,965,340.80 and 22,176,582.40 is: 33,268,394.51
Step by Step Solution
- Step 1: Write the proportion equation
65,303,315.20 : 97,965,340.80 = 22,176,582.40 : x - Step 2: Convert to fraction form
65,303,315.20/97,965,340.80 = 22,176,582.40/x - Step 3: Cross multiply
65,303,315.20x = 97,965,340.80 × 22,176,582.40 - Step 4: Simplify right side
65,303,315.20x = 2,172,536,452,595,281.75 - Step 5: Solve for x
x = 2,172,536,452,595,281.75/65,303,315.20 - Step 6: Final answer
x = 33,268,394.51
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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.