Finding the Fourth Proportional to 54,109,652.36, 74,669,319.74 and 29,329,307.15
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Solution
The fourth proportional to 54,109,652.36, 74,669,319.74 and 29,329,307.15 is: 40,473,359.52
Step by Step Solution
- Step 1: Write the proportion equation
54,109,652.36 : 74,669,319.74 = 29,329,307.15 : x - Step 2: Convert to fraction form
54,109,652.36/74,669,319.74 = 29,329,307.15/x - Step 3: Cross multiply
54,109,652.36x = 74,669,319.74 × 29,329,307.15 - Step 4: Simplify right side
54,109,652.36x = 2,189,999,413,467,235.75 - Step 5: Solve for x
x = 2,189,999,413,467,235.75/54,109,652.36 - Step 6: Final answer
x = 40,473,359.52
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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.