Finding the Fourth Proportional to 157,437,265.40, 236,224,103.70 and 84,569,028.20
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Solution
The fourth proportional to 157,437,265.40, 236,224,103.70 and 84,569,028.20 is: 126,890,179.63
Step by Step Solution
- Step 1: Write the proportion equation
157,437,265.40 : 236,224,103.70 = 84,569,028.20 : x - Step 2: Convert to fraction form
157,437,265.40/236,224,103.70 = 84,569,028.20/x - Step 3: Cross multiply
157,437,265.40x = 236,224,103.70 × 84,569,028.20 - Step 4: Simplify right side
157,437,265.40x = 19,977,242,887,325,024 - Step 5: Solve for x
x = 19,977,242,887,325,024/157,437,265.40 - Step 6: Final answer
x = 126,890,179.63
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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.