Finding the Fourth Proportional to 70,669,395.48, 97,523,179.08 and 39,729,702.36
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Solution
The fourth proportional to 70,669,395.48, 97,523,179.08 and 39,729,702.36 is: 54,826,659.43
Step by Step Solution
- Step 1: Write the proportion equation
70,669,395.48 : 97,523,179.08 = 39,729,702.36 : x - Step 2: Convert to fraction form
70,669,395.48/97,523,179.08 = 39,729,702.36/x - Step 3: Cross multiply
70,669,395.48x = 97,523,179.08 × 39,729,702.36 - Step 4: Simplify right side
70,669,395.48x = 3,874,566,878,049,378.50 - Step 5: Solve for x
x = 3,874,566,878,049,378.50/70,669,395.48 - Step 6: Final answer
x = 54,826,659.43
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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.