Finding the Fourth Proportional to 207,205,671.24, 285,944,739.62 and 114,386,941.80
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Solution
The fourth proportional to 207,205,671.24, 285,944,739.62 and 114,386,941.80 is: 157,854,483.87
Step by Step Solution
- Step 1: Write the proportion equation
207,205,671.24 : 285,944,739.62 = 114,386,941.80 : x - Step 2: Convert to fraction form
207,205,671.24/285,944,739.62 = 114,386,941.80/x - Step 3: Cross multiply
207,205,671.24x = 285,944,739.62 × 114,386,941.80 - Step 4: Simplify right side
207,205,671.24x = 32,708,344,288,929,092 - Step 5: Solve for x
x = 32,708,344,288,929,092/207,205,671.24 - Step 6: Final answer
x = 157,854,483.87
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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.