Finding the Fourth Proportional to 172,124,405.07, 258,237,263.18 and 55,537,573.94
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Solution
The fourth proportional to 172,124,405.07, 258,237,263.18 and 55,537,573.94 is: 83,322,705.40
Step by Step Solution
- Step 1: Write the proportion equation
172,124,405.07 : 258,237,263.18 = 55,537,573.94 : x - Step 2: Convert to fraction form
172,124,405.07/258,237,263.18 = 55,537,573.94/x - Step 3: Cross multiply
172,124,405.07x = 258,237,263.18 × 55,537,573.94 - Step 4: Simplify right side
172,124,405.07x = 14,341,871,096,631,304 - Step 5: Solve for x
x = 14,341,871,096,631,304/172,124,405.07 - Step 6: Final answer
x = 83,322,705.40
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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.