Finding the Fourth Proportional to 124,518,259.26, 171,881,051.49 and 74,960,936.46
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Solution
The fourth proportional to 124,518,259.26, 171,881,051.49 and 74,960,936.46 is: 103,473,696.60
Step by Step Solution
- Step 1: Write the proportion equation
124,518,259.26 : 171,881,051.49 = 74,960,936.46 : x - Step 2: Convert to fraction form
124,518,259.26/171,881,051.49 = 74,960,936.46/x - Step 3: Cross multiply
124,518,259.26x = 171,881,051.49 × 74,960,936.46 - Step 4: Simplify right side
124,518,259.26x = 12,884,364,579,419,878 - Step 5: Solve for x
x = 12,884,364,579,419,878/124,518,259.26 - Step 6: Final answer
x = 103,473,696.60
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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.