Finding the Fourth Proportional to 210,991,265.60, 291,178,330.08 and 127,358,066.84
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Solution
The fourth proportional to 210,991,265.60, 291,178,330.08 and 127,358,066.84 is: 175,760,399.94
Step by Step Solution
- Step 1: Write the proportion equation
210,991,265.60 : 291,178,330.08 = 127,358,066.84 : x - Step 2: Convert to fraction form
210,991,265.60/291,178,330.08 = 127,358,066.84/x - Step 3: Cross multiply
210,991,265.60x = 291,178,330.08 × 127,358,066.84 - Step 4: Simplify right side
210,991,265.60x = 37,083,909,224,688,224 - Step 5: Solve for x
x = 37,083,909,224,688,224/210,991,265.60 - Step 6: Final answer
x = 175,760,399.94
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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.