Finding the Fourth Proportional to 238,077,991.24, 328,583,485.70 and 145,312,405.80
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Solution
The fourth proportional to 238,077,991.24, 328,583,485.70 and 145,312,405.80 is: 200,553,006.03
Step by Step Solution
- Step 1: Write the proportion equation
238,077,991.24 : 328,583,485.70 = 145,312,405.80 : x - Step 2: Convert to fraction form
238,077,991.24/328,583,485.70 = 145,312,405.80/x - Step 3: Cross multiply
238,077,991.24x = 328,583,485.70 × 145,312,405.80 - Step 4: Simplify right side
238,077,991.24x = 47,747,256,813,216,896 - Step 5: Solve for x
x = 47,747,256,813,216,896/238,077,991.24 - Step 6: Final answer
x = 200,553,006.03
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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.