Finding the Fourth Proportional to 113,509,437.36, 156,643,022.63 and 61,298,468.41
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Solution
The fourth proportional to 113,509,437.36, 156,643,022.63 and 61,298,468.41 is: 84,591,885.90
Step by Step Solution
- Step 1: Write the proportion equation
113,509,437.36 : 156,643,022.63 = 61,298,468.41 : x - Step 2: Convert to fraction form
113,509,437.36/156,643,022.63 = 61,298,468.41/x - Step 3: Cross multiply
113,509,437.36x = 156,643,022.63 × 61,298,468.41 - Step 4: Simplify right side
113,509,437.36x = 9,601,977,373,395,508 - Step 5: Solve for x
x = 9,601,977,373,395,508/113,509,437.36 - Step 6: Final answer
x = 84,591,885.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.