Finding the Fourth Proportional to 186,440,002.24, 257,242,209.98 and 120,346,345.84
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Solution
The fourth proportional to 186,440,002.24, 257,242,209.98 and 120,346,345.84 is: 166,048,914.37
Step by Step Solution
- Step 1: Write the proportion equation
186,440,002.24 : 257,242,209.98 = 120,346,345.84 : x - Step 2: Convert to fraction form
186,440,002.24/257,242,209.98 = 120,346,345.84/x - Step 3: Cross multiply
186,440,002.24x = 257,242,209.98 × 120,346,345.84 - Step 4: Simplify right side
186,440,002.24x = 30,958,159,966,898,980 - Step 5: Solve for x
x = 30,958,159,966,898,980/186,440,002.24 - Step 6: Final answer
x = 166,048,914.37
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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.