Finding the Fourth Proportional to 61,758,492.68, 85,236,941.58 and 34,265,278.28
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Solution
The fourth proportional to 61,758,492.68, 85,236,941.58 and 34,265,278.28 is: 47,291,755.29
Step by Step Solution
- Step 1: Write the proportion equation
61,758,492.68 : 85,236,941.58 = 34,265,278.28 : x - Step 2: Convert to fraction form
61,758,492.68/85,236,941.58 = 34,265,278.28/x - Step 3: Cross multiply
61,758,492.68x = 85,236,941.58 × 34,265,278.28 - Step 4: Simplify right side
61,758,492.68x = 2,920,667,522,974,803 - Step 5: Solve for x
x = 2,920,667,522,974,803/61,758,492.68 - Step 6: Final answer
x = 47,291,755.29
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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.