Finding the Fourth Proportional to 176,768,560.71, 243,948,218.81 and 98,452,149.03
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Solution
The fourth proportional to 176,768,560.71, 243,948,218.81 and 98,452,149.03 is: 135,868,201.32
Step by Step Solution
- Step 1: Write the proportion equation
176,768,560.71 : 243,948,218.81 = 98,452,149.03 : x - Step 2: Convert to fraction form
176,768,560.71/243,948,218.81 = 98,452,149.03/x - Step 3: Cross multiply
176,768,560.71x = 243,948,218.81 × 98,452,149.03 - Step 4: Simplify right side
176,768,560.71x = 24,017,226,393,392,908 - Step 5: Solve for x
x = 24,017,226,393,392,908/176,768,560.71 - Step 6: Final answer
x = 135,868,201.32
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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.