Finding the Fourth Proportional to 56,862,079.60, 85,293,119.40 and 56,436,926.80
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Solution
The fourth proportional to 56,862,079.60, 85,293,119.40 and 56,436,926.80 is: 84,655,390.20
Step by Step Solution
- Step 1: Write the proportion equation
56,862,079.60 : 85,293,119.40 = 56,436,926.80 : x - Step 2: Convert to fraction form
56,862,079.60/85,293,119.40 = 56,436,926.80/x - Step 3: Cross multiply
56,862,079.60x = 85,293,119.40 × 56,436,926.80 - Step 4: Simplify right side
56,862,079.60x = 4,813,681,536,121,460 - Step 5: Solve for x
x = 4,813,681,536,121,460/56,862,079.60 - Step 6: Final answer
x = 84,655,390.20
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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.