Finding the Fourth Proportional to 89,249,119.79, 133,272,674.71 and 72,886,863.17
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Solution
The fourth proportional to 89,249,119.79, 133,272,674.71 and 72,886,863.17 is: 108,839,473.48
Step by Step Solution
- Step 1: Write the proportion equation
89,249,119.79 : 133,272,674.71 = 72,886,863.17 : x - Step 2: Convert to fraction form
89,249,119.79/133,272,674.71 = 72,886,863.17/x - Step 3: Cross multiply
89,249,119.79x = 133,272,674.71 × 72,886,863.17 - Step 4: Simplify right side
89,249,119.79x = 9,713,827,205,699,348 - Step 5: Solve for x
x = 9,713,827,205,699,348/89,249,119.79 - Step 6: Final answer
x = 108,839,473.48
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.