Finding the Fourth Proportional to 145,765,266.30, 218,479,937.85 and 59,447,000.70
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Solution
The fourth proportional to 145,765,266.30, 218,479,937.85 and 59,447,000.70 is: 89,102,001.79
Step by Step Solution
- Step 1: Write the proportion equation
145,765,266.30 : 218,479,937.85 = 59,447,000.70 : x - Step 2: Convert to fraction form
145,765,266.30/218,479,937.85 = 59,447,000.70/x - Step 3: Cross multiply
145,765,266.30x = 218,479,937.85 × 59,447,000.70 - Step 4: Simplify right side
145,765,266.30x = 12,987,977,018,304,906 - Step 5: Solve for x
x = 12,987,977,018,304,906/145,765,266.30 - Step 6: Final answer
x = 89,102,001.79
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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.