Finding the Fourth Proportional to 207,224,909.69, 286,099,433.93 and 131,913,730.88
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Solution
The fourth proportional to 207,224,909.69, 286,099,433.93 and 131,913,730.88 is: 182,123,103.77
Step by Step Solution
- Step 1: Write the proportion equation
207,224,909.69 : 286,099,433.93 = 131,913,730.88 : x - Step 2: Convert to fraction form
207,224,909.69/286,099,433.93 = 131,913,730.88/x - Step 3: Cross multiply
207,224,909.69x = 286,099,433.93 × 131,913,730.88 - Step 4: Simplify right side
207,224,909.69x = 37,740,443,731,261,648 - Step 5: Solve for x
x = 37,740,443,731,261,648/207,224,909.69 - Step 6: Final answer
x = 182,123,103.77
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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.