Finding the Fourth Proportional to 134,568,326.42, 185,704,365.21 and 72,688,665.50
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Solution
The fourth proportional to 134,568,326.42, 185,704,365.21 and 72,688,665.50 is: 100,310,398.77
Step by Step Solution
- Step 1: Write the proportion equation
134,568,326.42 : 185,704,365.21 = 72,688,665.50 : x - Step 2: Convert to fraction form
134,568,326.42/185,704,365.21 = 72,688,665.50/x - Step 3: Cross multiply
134,568,326.42x = 185,704,365.21 × 72,688,665.50 - Step 4: Simplify right side
134,568,326.42x = 13,498,602,484,639,528 - Step 5: Solve for x
x = 13,498,602,484,639,528/134,568,326.42 - Step 6: Final answer
x = 100,310,398.77
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.