Finding the Fourth Proportional to 172,773,027.80, 259,159,541.70 and 108,202,946.30
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Solution
The fourth proportional to 172,773,027.80, 259,159,541.70 and 108,202,946.30 is: 162,304,419.45
Step by Step Solution
- Step 1: Write the proportion equation
172,773,027.80 : 259,159,541.70 = 108,202,946.30 : x - Step 2: Convert to fraction form
172,773,027.80/259,159,541.70 = 108,202,946.30/x - Step 3: Cross multiply
172,773,027.80x = 259,159,541.70 × 108,202,946.30 - Step 4: Simplify right side
172,773,027.80x = 28,041,825,973,697,708 - Step 5: Solve for x
x = 28,041,825,973,697,708/172,773,027.80 - Step 6: Final answer
x = 162,304,419.45
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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.