Finding the Fourth Proportional to 85,974,058.74, 118,646,130.18 and 48,800,837.28
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Solution
The fourth proportional to 85,974,058.74, 118,646,130.18 and 48,800,837.28 is: 67,346,250.46
Step by Step Solution
- Step 1: Write the proportion equation
85,974,058.74 : 118,646,130.18 = 48,800,837.28 : x - Step 2: Convert to fraction form
85,974,058.74/118,646,130.18 = 48,800,837.28/x - Step 3: Cross multiply
85,974,058.74x = 118,646,130.18 × 48,800,837.28 - Step 4: Simplify right side
85,974,058.74x = 5,790,030,492,815,878 - Step 5: Solve for x
x = 5,790,030,492,815,878/85,974,058.74 - Step 6: Final answer
x = 67,346,250.46
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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.