Finding the Fourth Proportional to 201,887,688.48, 278,698,011.84 and 118,244,211.36
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Solution
The fourth proportional to 201,887,688.48, 278,698,011.84 and 118,244,211.36 is: 163,231,482.15
Step by Step Solution
- Step 1: Write the proportion equation
201,887,688.48 : 278,698,011.84 = 118,244,211.36 : x - Step 2: Convert to fraction form
201,887,688.48/278,698,011.84 = 118,244,211.36/x - Step 3: Cross multiply
201,887,688.48x = 278,698,011.84 × 118,244,211.36 - Step 4: Simplify right side
201,887,688.48x = 32,954,426,617,620,740 - Step 5: Solve for x
x = 32,954,426,617,620,740/201,887,688.48 - Step 6: Final answer
x = 163,231,482.15
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.