Finding the Fourth Proportional to 86,916,861.60, 130,176,226.80 and 44,316,823.20
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Solution
The fourth proportional to 86,916,861.60, 130,176,226.80 and 44,316,823.20 is: 66,373,736.02
Step by Step Solution
- Step 1: Write the proportion equation
86,916,861.60 : 130,176,226.80 = 44,316,823.20 : x - Step 2: Convert to fraction form
86,916,861.60/130,176,226.80 = 44,316,823.20/x - Step 3: Cross multiply
86,916,861.60x = 130,176,226.80 × 44,316,823.20 - Step 4: Simplify right side
86,916,861.60x = 5,768,996,827,938,702 - Step 5: Solve for x
x = 5,768,996,827,938,702/86,916,861.60 - Step 6: Final answer
x = 66,373,736.02
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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.