Finding the Fourth Proportional to 149,542,405.80, 224,313,608.70 and 68,920,837.80
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Solution
The fourth proportional to 149,542,405.80, 224,313,608.70 and 68,920,837.80 is: 103,381,256.70
Step by Step Solution
- Step 1: Write the proportion equation
149,542,405.80 : 224,313,608.70 = 68,920,837.80 : x - Step 2: Convert to fraction form
149,542,405.80/224,313,608.70 = 68,920,837.80/x - Step 3: Cross multiply
149,542,405.80x = 224,313,608.70 × 68,920,837.80 - Step 4: Simplify right side
149,542,405.80x = 15,459,881,841,545,368 - Step 5: Solve for x
x = 15,459,881,841,545,368/149,542,405.80 - Step 6: Final answer
x = 103,381,256.70
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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.