Finding the Fourth Proportional to 89,249,121.29, 133,272,676.95 and 72,886,864.67
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Solution
The fourth proportional to 89,249,121.29, 133,272,676.95 and 72,886,864.67 is: 108,839,475.71
Step by Step Solution
- Step 1: Write the proportion equation
89,249,121.29 : 133,272,676.95 = 72,886,864.67 : x - Step 2: Convert to fraction form
89,249,121.29/133,272,676.95 = 72,886,864.67/x - Step 3: Cross multiply
89,249,121.29x = 133,272,676.95 × 72,886,864.67 - Step 4: Simplify right side
89,249,121.29x = 9,713,827,568,396,916 - Step 5: Solve for x
x = 9,713,827,568,396,916/89,249,121.29 - Step 6: Final answer
x = 108,839,475.71
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.