Finding the Fourth Proportional to 165,822,756.21, 228,834,125.46 and 91,486,449.81
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Solution
The fourth proportional to 165,822,756.21, 228,834,125.46 and 91,486,449.81 is: 126,250,595.59
Step by Step Solution
- Step 1: Write the proportion equation
165,822,756.21 : 228,834,125.46 = 91,486,449.81 : x - Step 2: Convert to fraction form
165,822,756.21/228,834,125.46 = 91,486,449.81/x - Step 3: Cross multiply
165,822,756.21x = 228,834,125.46 × 91,486,449.81 - Step 4: Simplify right side
165,822,756.21x = 20,935,221,733,711,536 - Step 5: Solve for x
x = 20,935,221,733,711,536/165,822,756.21 - Step 6: Final answer
x = 126,250,595.59
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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.