Finding the Fourth Proportional to 117,835,404.20, 162,617,902.62 and 65,624,439.80
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Solution
The fourth proportional to 117,835,404.20, 162,617,902.62 and 65,624,439.80 is: 90,564,536.47
Step by Step Solution
- Step 1: Write the proportion equation
117,835,404.20 : 162,617,902.62 = 65,624,439.80 : x - Step 2: Convert to fraction form
117,835,404.20/162,617,902.62 = 65,624,439.80/x - Step 3: Cross multiply
117,835,404.20x = 162,617,902.62 × 65,624,439.80 - Step 4: Simplify right side
117,835,404.20x = 10,671,708,760,888,452 - Step 5: Solve for x
x = 10,671,708,760,888,452/117,835,404.20 - Step 6: Final answer
x = 90,564,536.47
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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.