Finding the Fourth Proportional to 242,516,944.92, 363,799,903.14 and 78,747,853.08
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Solution
The fourth proportional to 242,516,944.92, 363,799,903.14 and 78,747,853.08 is: 118,129,730.41
Step by Step Solution
- Step 1: Write the proportion equation
242,516,944.92 : 363,799,903.14 = 78,747,853.08 : x - Step 2: Convert to fraction form
242,516,944.92/363,799,903.14 = 78,747,853.08/x - Step 3: Cross multiply
242,516,944.92x = 363,799,903.14 × 78,747,853.08 - Step 4: Simplify right side
242,516,944.92x = 28,648,461,322,986,948 - Step 5: Solve for x
x = 28,648,461,322,986,948/242,516,944.92 - Step 6: Final answer
x = 118,129,730.41
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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.