Finding the Fourth Proportional to 150,169,655.08, 207,234,125.70 and 81,492,023.08
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Solution
The fourth proportional to 150,169,655.08, 207,234,125.70 and 81,492,023.08 is: 112,458,992.77
Step by Step Solution
- Step 1: Write the proportion equation
150,169,655.08 : 207,234,125.70 = 81,492,023.08 : x - Step 2: Convert to fraction form
150,169,655.08/207,234,125.70 = 81,492,023.08/x - Step 3: Cross multiply
150,169,655.08x = 207,234,125.70 × 81,492,023.08 - Step 4: Simplify right side
150,169,655.08x = 16,887,928,154,508,020 - Step 5: Solve for x
x = 16,887,928,154,508,020/150,169,655.08 - Step 6: Final answer
x = 112,458,992.77
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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.