Finding the Fourth Proportional to 79,340,785.76, 118,956,847.17 and 40,403,866.96
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Solution
The fourth proportional to 79,340,785.76, 118,956,847.17 and 40,403,866.96 is: 60,578,132.43
Step by Step Solution
- Step 1: Write the proportion equation
79,340,785.76 : 118,956,847.17 = 40,403,866.96 : x - Step 2: Convert to fraction form
79,340,785.76/118,956,847.17 = 40,403,866.96/x - Step 3: Cross multiply
79,340,785.76x = 118,956,847.17 × 40,403,866.96 - Step 4: Simplify right side
79,340,785.76x = 4,806,316,626,740,341 - Step 5: Solve for x
x = 4,806,316,626,740,341/79,340,785.76 - Step 6: Final answer
x = 60,578,132.43
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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.