Finding the Fourth Proportional to 65,168,101.60, 97,610,434.80 and 39,564,455.20
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Solution
The fourth proportional to 65,168,101.60, 97,610,434.80 and 39,564,455.20 is: 59,260,644.09
Step by Step Solution
- Step 1: Write the proportion equation
65,168,101.60 : 97,610,434.80 = 39,564,455.20 : x - Step 2: Convert to fraction form
65,168,101.60/97,610,434.80 = 39,564,455.20/x - Step 3: Cross multiply
65,168,101.60x = 97,610,434.80 × 39,564,455.20 - Step 4: Simplify right side
65,168,101.60x = 3,861,903,674,697,121 - Step 5: Solve for x
x = 3,861,903,674,697,121/65,168,101.60 - Step 6: Final answer
x = 59,260,644.09
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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.