Finding the Fourth Proportional to 67,742,499.24, 93,477,903.66 and 38,367,969.12
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Solution
The fourth proportional to 67,742,499.24, 93,477,903.66 and 38,367,969.12 is: 52,943,976.99
Step by Step Solution
- Step 1: Write the proportion equation
67,742,499.24 : 93,477,903.66 = 38,367,969.12 : x - Step 2: Convert to fraction form
67,742,499.24/93,477,903.66 = 38,367,969.12/x - Step 3: Cross multiply
67,742,499.24x = 93,477,903.66 × 38,367,969.12 - Step 4: Simplify right side
67,742,499.24x = 3,586,557,321,029,214.50 - Step 5: Solve for x
x = 3,586,557,321,029,214.50/67,742,499.24 - Step 6: Final answer
x = 52,943,976.99
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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.