Finding the Fourth Proportional to 70,645,658.23, 97,491,089.18 and 39,283,033.84
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Solution
The fourth proportional to 70,645,658.23, 97,491,089.18 and 39,283,033.84 is: 54,210,631.64
Step by Step Solution
- Step 1: Write the proportion equation
70,645,658.23 : 97,491,089.18 = 39,283,033.84 : x - Step 2: Convert to fraction form
70,645,658.23/97,491,089.18 = 39,283,033.84/x - Step 3: Cross multiply
70,645,658.23x = 97,491,089.18 × 39,283,033.84 - Step 4: Simplify right side
70,645,658.23x = 3,829,745,755,356,398.50 - Step 5: Solve for x
x = 3,829,745,755,356,398.50/70,645,658.23 - Step 6: Final answer
x = 54,210,631.64
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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.