Finding the Fourth Proportional to 154,855,730.28, 232,445,014.74 and 68,654,673.48
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Solution
The fourth proportional to 154,855,730.28, 232,445,014.74 and 68,654,673.48 is: 103,053,574.83
Step by Step Solution
- Step 1: Write the proportion equation
154,855,730.28 : 232,445,014.74 = 68,654,673.48 : x - Step 2: Convert to fraction form
154,855,730.28/232,445,014.74 = 68,654,673.48/x - Step 3: Cross multiply
154,855,730.28x = 232,445,014.74 × 68,654,673.48 - Step 4: Simplify right side
154,855,730.28x = 15,958,436,589,028,488 - Step 5: Solve for x
x = 15,958,436,589,028,488/154,855,730.28 - Step 6: Final answer
x = 103,053,574.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.