Finding the Fourth Proportional to 69,907,962.66, 104,858,139.68 and 21,385,816.48
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Solution
The fourth proportional to 69,907,962.66, 104,858,139.68 and 21,385,816.48 is: 32,077,560.93
Step by Step Solution
- Step 1: Write the proportion equation
69,907,962.66 : 104,858,139.68 = 21,385,816.48 : x - Step 2: Convert to fraction form
69,907,962.66/104,858,139.68 = 21,385,816.48/x - Step 3: Cross multiply
69,907,962.66x = 104,858,139.68 × 21,385,816.48 - Step 4: Simplify right side
69,907,962.66x = 2,242,476,931,630,686.25 - Step 5: Solve for x
x = 2,242,476,931,630,686.25/69,907,962.66 - Step 6: Final answer
x = 32,077,560.93
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.