Finding the Fourth Proportional to 49,877,213.44, 68,878,088.88 and 47,159,925.46
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Solution
The fourth proportional to 49,877,213.44, 68,878,088.88 and 47,159,925.46 is: 65,125,641.82
Step by Step Solution
- Step 1: Write the proportion equation
49,877,213.44 : 68,878,088.88 = 47,159,925.46 : x - Step 2: Convert to fraction form
49,877,213.44/68,878,088.88 = 47,159,925.46/x - Step 3: Cross multiply
49,877,213.44x = 68,878,088.88 × 47,159,925.46 - Step 4: Simplify right side
49,877,213.44x = 3,248,285,537,408,054.50 - Step 5: Solve for x
x = 3,248,285,537,408,054.50/49,877,213.44 - Step 6: Final answer
x = 65,125,641.82
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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.