Finding the Fourth Proportional to 70,544,432.97, 105,830,276.55 and 26,821,791.93
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Solution
The fourth proportional to 70,544,432.97, 105,830,276.55 and 26,821,791.93 is: 40,237,869.07
Step by Step Solution
- Step 1: Write the proportion equation
70,544,432.97 : 105,830,276.55 = 26,821,791.93 : x - Step 2: Convert to fraction form
70,544,432.97/105,830,276.55 = 26,821,791.93/x - Step 3: Cross multiply
70,544,432.97x = 105,830,276.55 × 26,821,791.93 - Step 4: Simplify right side
70,544,432.97x = 2,838,557,657,518,458 - Step 5: Solve for x
x = 2,838,557,657,518,458/70,544,432.97 - Step 6: Final answer
x = 40,237,869.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.