Finding the Fourth Proportional to 272,906,374.22, 409,243,037.97 and 157,970,251.34
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Solution
The fourth proportional to 272,906,374.22, 409,243,037.97 and 157,970,251.34 is: 236,887,928.15
Step by Step Solution
- Step 1: Write the proportion equation
272,906,374.22 : 409,243,037.97 = 157,970,251.34 : x - Step 2: Convert to fraction form
272,906,374.22/409,243,037.97 = 157,970,251.34/x - Step 3: Cross multiply
272,906,374.22x = 409,243,037.97 × 157,970,251.34 - Step 4: Simplify right side
272,906,374.22x = 64,648,225,567,266,072 - Step 5: Solve for x
x = 64,648,225,567,266,072/272,906,374.22 - Step 6: Final answer
x = 236,887,928.15
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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.