Finding the Fourth Proportional to 61,242,768.45, 91,864,152.68 and 15,804,562.95
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Solution
The fourth proportional to 61,242,768.45, 91,864,152.68 and 15,804,562.95 is: 23,706,844.43
Step by Step Solution
- Step 1: Write the proportion equation
61,242,768.45 : 91,864,152.68 = 15,804,562.95 : x - Step 2: Convert to fraction form
61,242,768.45/91,864,152.68 = 15,804,562.95/x - Step 3: Cross multiply
61,242,768.45x = 91,864,152.68 × 15,804,562.95 - Step 4: Simplify right side
61,242,768.45x = 1,451,872,783,800,448.25 - Step 5: Solve for x
x = 1,451,872,783,800,448.25/61,242,768.45 - Step 6: Final answer
x = 23,706,844.43
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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.