Finding the Fourth Proportional to 67,839,304.28, 93,592,878.68 and 39,944,966.74
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Solution
The fourth proportional to 67,839,304.28, 93,592,878.68 and 39,944,966.74 is: 55,109,120.97
Step by Step Solution
- Step 1: Write the proportion equation
67,839,304.28 : 93,592,878.68 = 39,944,966.74 : x - Step 2: Convert to fraction form
67,839,304.28/93,592,878.68 = 39,944,966.74/x - Step 3: Cross multiply
67,839,304.28x = 93,592,878.68 × 39,944,966.74 - Step 4: Simplify right side
67,839,304.28x = 3,738,564,425,973,455.50 - Step 5: Solve for x
x = 3,738,564,425,973,455.50/67,839,304.28 - Step 6: Final answer
x = 55,109,120.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.