Finding the Fourth Proportional to 71,271,943.00, 98,355,282.18 and 38,676,895.00
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Solution
The fourth proportional to 71,271,943.00, 98,355,282.18 and 38,676,895.00 is: 53,374,115.55
Step by Step Solution
- Step 1: Write the proportion equation
71,271,943.00 : 98,355,282.18 = 38,676,895.00 : x - Step 2: Convert to fraction form
71,271,943.00/98,355,282.18 = 38,676,895.00/x - Step 3: Cross multiply
71,271,943.00x = 98,355,282.18 × 38,676,895.00 - Step 4: Simplify right side
71,271,943.00x = 3,804,076,921,180,304.50 - Step 5: Solve for x
x = 3,804,076,921,180,304.50/71,271,943.00 - Step 6: Final answer
x = 53,374,115.55
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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.