Finding the Fourth Proportional to 147,609,670.02, 221,328,843.77 and 69,885,921.53
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Solution
The fourth proportional to 147,609,670.02, 221,328,843.77 and 69,885,921.53 is: 104,788,325.89
Step by Step Solution
- Step 1: Write the proportion equation
147,609,670.02 : 221,328,843.77 = 69,885,921.53 : x - Step 2: Convert to fraction form
147,609,670.02/221,328,843.77 = 69,885,921.53/x - Step 3: Cross multiply
147,609,670.02x = 221,328,843.77 × 69,885,921.53 - Step 4: Simplify right side
147,609,670.02x = 15,467,770,206,579,776 - Step 5: Solve for x
x = 15,467,770,206,579,776/147,609,670.02 - Step 6: Final answer
x = 104,788,325.89
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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.