Finding the Fourth Proportional to 212,929,259.49, 293,842,784.75 and 117,559,952.69
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Solution
The fourth proportional to 212,929,259.49, 293,842,784.75 and 117,559,952.69 is: 162,232,959.22
Step by Step Solution
- Step 1: Write the proportion equation
212,929,259.49 : 293,842,784.75 = 117,559,952.69 : x - Step 2: Convert to fraction form
212,929,259.49/293,842,784.75 = 117,559,952.69/x - Step 3: Cross multiply
212,929,259.49x = 293,842,784.75 × 117,559,952.69 - Step 4: Simplify right side
212,929,259.49x = 34,544,143,871,450,840 - Step 5: Solve for x
x = 34,544,143,871,450,840/212,929,259.49 - Step 6: Final answer
x = 162,232,959.22
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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.