Finding the Fourth Proportional to 170,185,810.19, 234,862,682.51 and 94,838,908.94
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Solution
The fourth proportional to 170,185,810.19, 234,862,682.51 and 94,838,908.94 is: 130,881,185.31
Step by Step Solution
- Step 1: Write the proportion equation
170,185,810.19 : 234,862,682.51 = 94,838,908.94 : x - Step 2: Convert to fraction form
170,185,810.19/234,862,682.51 = 94,838,908.94/x - Step 3: Cross multiply
170,185,810.19x = 234,862,682.51 × 94,838,908.94 - Step 4: Simplify right side
170,185,810.19x = 22,274,120,559,970,020 - Step 5: Solve for x
x = 22,274,120,559,970,020/170,185,810.19 - Step 6: Final answer
x = 130,881,185.31
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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.