Finding the Fourth Proportional to 285,187,093.75, 427,730,073.64 and 129,704,482.95
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Solution
The fourth proportional to 285,187,093.75, 427,730,073.64 and 129,704,482.95 is: 194,533,726.31
Step by Step Solution
- Step 1: Write the proportion equation
285,187,093.75 : 427,730,073.64 = 129,704,482.95 : x - Step 2: Convert to fraction form
285,187,093.75/427,730,073.64 = 129,704,482.95/x - Step 3: Cross multiply
285,187,093.75x = 427,730,073.64 × 129,704,482.95 - Step 4: Simplify right side
285,187,093.75x = 55,478,508,043,641,624 - Step 5: Solve for x
x = 55,478,508,043,641,624/285,187,093.75 - Step 6: Final answer
x = 194,533,726.31
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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.