Finding the Fourth Proportional to 51,552,671.06, 71,142,146.94 and 38,380,743.74
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Solution
The fourth proportional to 51,552,671.06, 71,142,146.94 and 38,380,743.74 is: 52,965,024.99
Step by Step Solution
- Step 1: Write the proportion equation
51,552,671.06 : 71,142,146.94 = 38,380,743.74 : x - Step 2: Convert to fraction form
51,552,671.06/71,142,146.94 = 38,380,743.74/x - Step 3: Cross multiply
51,552,671.06x = 71,142,146.94 × 38,380,743.74 - Step 4: Simplify right side
51,552,671.06x = 2,730,488,510,817,565 - Step 5: Solve for x
x = 2,730,488,510,817,565/51,552,671.06 - Step 6: Final answer
x = 52,965,024.99
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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.