Finding the Fourth Proportional to 67,742,495.62, 93,477,898.66 and 38,367,965.50
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Solution
The fourth proportional to 67,742,495.62, 93,477,898.66 and 38,367,965.50 is: 52,943,971.99
Step by Step Solution
- Step 1: Write the proportion equation
67,742,495.62 : 93,477,898.66 = 38,367,965.50 : x - Step 2: Convert to fraction form
67,742,495.62/93,477,898.66 = 38,367,965.50/x - Step 3: Cross multiply
67,742,495.62x = 93,477,898.66 × 38,367,965.50 - Step 4: Simplify right side
67,742,495.62x = 3,586,556,790,799,376 - Step 5: Solve for x
x = 3,586,556,790,799,376/67,742,495.62 - Step 6: Final answer
x = 52,943,971.99
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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.