Finding the Fourth Proportional to 74,781,033.66, 112,368,823.36 and 40,262,956.56
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Solution
The fourth proportional to 74,781,033.66, 112,368,823.36 and 40,262,956.56 is: 60,500,648.79
Step by Step Solution
- Step 1: Write the proportion equation
74,781,033.66 : 112,368,823.36 = 40,262,956.56 : x - Step 2: Convert to fraction form
74,781,033.66/112,368,823.36 = 40,262,956.56/x - Step 3: Cross multiply
74,781,033.66x = 112,368,823.36 × 40,262,956.56 - Step 4: Simplify right side
74,781,033.66x = 4,524,301,053,541,336 - Step 5: Solve for x
x = 4,524,301,053,541,336/74,781,033.66 - Step 6: Final answer
x = 60,500,648.79
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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.