Finding the Fourth Proportional to 56,133,570.08, 77,464,401.36 and 30,379,458.08
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Solution
The fourth proportional to 56,133,570.08, 77,464,401.36 and 30,379,458.08 is: 41,923,692.55
Step by Step Solution
- Step 1: Write the proportion equation
56,133,570.08 : 77,464,401.36 = 30,379,458.08 : x - Step 2: Convert to fraction form
56,133,570.08/77,464,401.36 = 30,379,458.08/x - Step 3: Cross multiply
56,133,570.08x = 77,464,401.36 × 30,379,458.08 - Step 4: Simplify right side
56,133,570.08x = 2,353,326,533,808,415 - Step 5: Solve for x
x = 2,353,326,533,808,415/56,133,570.08 - Step 6: Final answer
x = 41,923,692.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.