Finding the Fourth Proportional to 61,163,419.60, 91,745,129.40 and 58,811,957.20
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Solution
The fourth proportional to 61,163,419.60, 91,745,129.40 and 58,811,957.20 is: 88,217,935.80
Step by Step Solution
- Step 1: Write the proportion equation
61,163,419.60 : 91,745,129.40 = 58,811,957.20 : x - Step 2: Convert to fraction form
61,163,419.60/91,745,129.40 = 58,811,957.20/x - Step 3: Cross multiply
61,163,419.60x = 91,745,129.40 × 58,811,957.20 - Step 4: Simplify right side
61,163,419.60x = 5,395,710,623,581,262 - Step 5: Solve for x
x = 5,395,710,623,581,262/61,163,419.60 - Step 6: Final answer
x = 88,217,935.80
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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.