Finding the Fourth Proportional to 173,440,602.74, 239,325,968.94 and 99,105,970.88
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Solution
The fourth proportional to 173,440,602.74, 239,325,968.94 and 99,105,970.88 is: 136,753,632.85
Step by Step Solution
- Step 1: Write the proportion equation
173,440,602.74 : 239,325,968.94 = 99,105,970.88 : x - Step 2: Convert to fraction form
173,440,602.74/239,325,968.94 = 99,105,970.88/x - Step 3: Cross multiply
173,440,602.74x = 239,325,968.94 × 99,105,970.88 - Step 4: Simplify right side
173,440,602.74x = 23,718,632,508,595,424 - Step 5: Solve for x
x = 23,718,632,508,595,424/173,440,602.74 - Step 6: Final answer
x = 136,753,632.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.