Finding the Fourth Proportional to 211,251,651.57, 316,653,829.97 and 71,058,649.68
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Solution
The fourth proportional to 211,251,651.57, 316,653,829.97 and 71,058,649.68 is: 106,512,746.32
Step by Step Solution
- Step 1: Write the proportion equation
211,251,651.57 : 316,653,829.97 = 71,058,649.68 : x - Step 2: Convert to fraction form
211,251,651.57/316,653,829.97 = 71,058,649.68/x - Step 3: Cross multiply
211,251,651.57x = 316,653,829.97 × 71,058,649.68 - Step 4: Simplify right side
211,251,651.57x = 22,500,993,573,313,224 - Step 5: Solve for x
x = 22,500,993,573,313,224/211,251,651.57 - Step 6: Final answer
x = 106,512,746.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.