Finding the Fourth Proportional to 66,429,174.70, 99,643,762.05 and 40,787,037.10
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Solution
The fourth proportional to 66,429,174.70, 99,643,762.05 and 40,787,037.10 is: 61,180,555.65
Step by Step Solution
- Step 1: Write the proportion equation
66,429,174.70 : 99,643,762.05 = 40,787,037.10 : x - Step 2: Convert to fraction form
66,429,174.70/99,643,762.05 = 40,787,037.10/x - Step 3: Cross multiply
66,429,174.70x = 99,643,762.05 × 40,787,037.10 - Step 4: Simplify right side
66,429,174.70x = 4,064,173,819,516,922 - Step 5: Solve for x
x = 4,064,173,819,516,922/66,429,174.70 - Step 6: Final answer
x = 61,180,555.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.