Finding the Fourth Proportional to 150,165,239.08, 207,228,029.86 and 81,487,607.08
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Solution
The fourth proportional to 150,165,239.08, 207,228,029.86 and 81,487,607.08 is: 112,452,897.73
Step by Step Solution
- Step 1: Write the proportion equation
150,165,239.08 : 207,228,029.86 = 81,487,607.08 : x - Step 2: Convert to fraction form
150,165,239.08/207,228,029.86 = 81,487,607.08/x - Step 3: Cross multiply
150,165,239.08x = 207,228,029.86 × 81,487,607.08 - Step 4: Simplify right side
150,165,239.08x = 16,886,516,273,194,188 - Step 5: Solve for x
x = 16,886,516,273,194,188/150,165,239.08 - Step 6: Final answer
x = 112,452,897.73
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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.