Finding the Fourth Proportional to 51,990,359, 71,748,937.44 and 28,785,485.98
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Solution
The fourth proportional to 51,990,359, 71,748,937.44 and 28,785,485.98 is: 39,725,211.99
Step by Step Solution
- Step 1: Write the proportion equation
51,990,359 : 71,748,937.44 = 28,785,485.98 : x - Step 2: Convert to fraction form
51,990,359/71,748,937.44 = 28,785,485.98/x - Step 3: Cross multiply
51,990,359x = 71,748,937.44 × 28,785,485.98 - Step 4: Simplify right side
51,990,359x = 2,065,328,032,759,017 - Step 5: Solve for x
x = 2,065,328,032,759,017/51,990,359 - Step 6: Final answer
x = 39,725,211.99
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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.