Finding the Fourth Proportional to 70,864,652.64, 97,793,219.88 and 38,269,604.64
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Solution
The fourth proportional to 70,864,652.64, 97,793,219.88 and 38,269,604.64 is: 52,812,053.99
Step by Step Solution
- Step 1: Write the proportion equation
70,864,652.64 : 97,793,219.88 = 38,269,604.64 : x - Step 2: Convert to fraction form
70,864,652.64/97,793,219.88 = 38,269,604.64/x - Step 3: Cross multiply
70,864,652.64x = 97,793,219.88 × 38,269,604.64 - Step 4: Simplify right side
70,864,652.64x = 3,742,507,861,280,188 - Step 5: Solve for x
x = 3,742,507,861,280,188/70,864,652.64 - Step 6: Final answer
x = 52,812,053.99
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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.