Finding the Fourth Proportional to 51,125,199.42, 70,553,335.98 and 27,921,009.13
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Solution
The fourth proportional to 51,125,199.42, 70,553,335.98 and 27,921,009.13 is: 38,531,298.86
Step by Step Solution
- Step 1: Write the proportion equation
51,125,199.42 : 70,553,335.98 = 27,921,009.13 : x - Step 2: Convert to fraction form
51,125,199.42/70,553,335.98 = 27,921,009.13/x - Step 3: Cross multiply
51,125,199.42x = 70,553,335.98 × 27,921,009.13 - Step 4: Simplify right side
51,125,199.42x = 1,969,920,338,049,537.50 - Step 5: Solve for x
x = 1,969,920,338,049,537.50/51,125,199.42 - Step 6: Final answer
x = 38,531,298.86
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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.