Finding the Fourth Proportional to 239,708,159.01, 359,578,181.75 and 84,243,164.49
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Solution
The fourth proportional to 239,708,159.01, 359,578,181.75 and 84,243,164.49 is: 126,370,349.83
Step by Step Solution
- Step 1: Write the proportion equation
239,708,159.01 : 359,578,181.75 = 84,243,164.49 : x - Step 2: Convert to fraction form
239,708,159.01/359,578,181.75 = 84,243,164.49/x - Step 3: Cross multiply
239,708,159.01x = 359,578,181.75 × 84,243,164.49 - Step 4: Simplify right side
239,708,159.01x = 30,292,003,911,759,148 - Step 5: Solve for x
x = 30,292,003,911,759,148/239,708,159.01 - Step 6: Final answer
x = 126,370,349.83
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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.