Finding the Fourth Proportional to 56,155,938.80, 84,178,106.84 and 39,080,739.48
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Solution
The fourth proportional to 56,155,938.80, 84,178,106.84 and 39,080,739.48 is: 58,582,275.24
Step by Step Solution
- Step 1: Write the proportion equation
56,155,938.80 : 84,178,106.84 = 39,080,739.48 : x - Step 2: Convert to fraction form
56,155,938.80/84,178,106.84 = 39,080,739.48/x - Step 3: Cross multiply
56,155,938.80x = 84,178,106.84 × 39,080,739.48 - Step 4: Simplify right side
56,155,938.80x = 3,289,742,663,333,646 - Step 5: Solve for x
x = 3,289,742,663,333,646/56,155,938.80 - Step 6: Final answer
x = 58,582,275.24
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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.