Finding the Fourth Proportional to 216,358,594.08, 298,541,835.84 and 122,238,398.76
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Solution
The fourth proportional to 216,358,594.08, 298,541,835.84 and 122,238,398.76 is: 168,670,332.38
Step by Step Solution
- Step 1: Write the proportion equation
216,358,594.08 : 298,541,835.84 = 122,238,398.76 : x - Step 2: Convert to fraction form
216,358,594.08/298,541,835.84 = 122,238,398.76/x - Step 3: Cross multiply
216,358,594.08x = 298,541,835.84 × 122,238,398.76 - Step 4: Simplify right side
216,358,594.08x = 36,493,275,975,952,376 - Step 5: Solve for x
x = 36,493,275,975,952,376/216,358,594.08 - Step 6: Final answer
x = 168,670,332.38
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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.