Finding the Fourth Proportional to 138,025,462.35, 206,862,358.73 and 73,360,246.35
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Solution
The fourth proportional to 138,025,462.35, 206,862,358.73 and 73,360,246.35 is: 109,946,913.69
Step by Step Solution
- Step 1: Write the proportion equation
138,025,462.35 : 206,862,358.73 = 73,360,246.35 : x - Step 2: Convert to fraction form
138,025,462.35/206,862,358.73 = 73,360,246.35/x - Step 3: Cross multiply
138,025,462.35x = 206,862,358.73 × 73,360,246.35 - Step 4: Simplify right side
138,025,462.35x = 15,175,473,596,608,070 - Step 5: Solve for x
x = 15,175,473,596,608,070/138,025,462.35 - Step 6: Final answer
x = 109,946,913.69
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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.