Finding the Fourth Proportional to 201,623,785.90, 302,223,102.45 and 78,754,626.70
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Solution
The fourth proportional to 201,623,785.90, 302,223,102.45 and 78,754,626.70 is: 118,048,907.31
Step by Step Solution
- Step 1: Write the proportion equation
201,623,785.90 : 302,223,102.45 = 78,754,626.70 : x - Step 2: Convert to fraction form
201,623,785.90/302,223,102.45 = 78,754,626.70/x - Step 3: Cross multiply
201,623,785.90x = 302,223,102.45 × 78,754,626.70 - Step 4: Simplify right side
201,623,785.90x = 23,801,467,613,565,604 - Step 5: Solve for x
x = 23,801,467,613,565,604/201,623,785.90 - Step 6: Final answer
x = 118,048,907.31
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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.