Finding the Fourth Proportional to 172,031,898.80, 237,403,915.68 and 94,769,562.80
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Solution
The fourth proportional to 172,031,898.80, 237,403,915.68 and 94,769,562.80 is: 130,781,939.01
Step by Step Solution
- Step 1: Write the proportion equation
172,031,898.80 : 237,403,915.68 = 94,769,562.80 : x - Step 2: Convert to fraction form
172,031,898.80/237,403,915.68 = 94,769,562.80/x - Step 3: Cross multiply
172,031,898.80x = 237,403,915.68 × 94,769,562.80 - Step 4: Simplify right side
172,031,898.80x = 22,498,665,296,001,664 - Step 5: Solve for x
x = 22,498,665,296,001,664/172,031,898.80 - Step 6: Final answer
x = 130,781,939.01
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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.