Finding the Fourth Proportional to 97,806,656.40, 146,584,013.40 and 74,974,376.40
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Solution
The fourth proportional to 97,806,656.40, 146,584,013.40 and 74,974,376.40 is: 112,365,000.50
Step by Step Solution
- Step 1: Write the proportion equation
97,806,656.40 : 146,584,013.40 = 74,974,376.40 : x - Step 2: Convert to fraction form
97,806,656.40/146,584,013.40 = 74,974,376.40/x - Step 3: Cross multiply
97,806,656.40x = 146,584,013.40 × 74,974,376.40 - Step 4: Simplify right side
97,806,656.40x = 10,990,044,994,874,246 - Step 5: Solve for x
x = 10,990,044,994,874,246/97,806,656.40 - Step 6: Final answer
x = 112,365,000.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.