Finding the Fourth Proportional to 97,051,821.84, 133,948,813.86 and 57,357,732.15
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Solution
The fourth proportional to 97,051,821.84, 133,948,813.86 and 57,357,732.15 is: 79,163,894.52
Step by Step Solution
- Step 1: Write the proportion equation
97,051,821.84 : 133,948,813.86 = 57,357,732.15 : x - Step 2: Convert to fraction form
97,051,821.84/133,948,813.86 = 57,357,732.15/x - Step 3: Cross multiply
97,051,821.84x = 133,948,813.86 × 57,357,732.15 - Step 4: Simplify right side
97,051,821.84x = 7,683,000,187,192,087 - Step 5: Solve for x
x = 7,683,000,187,192,087/97,051,821.84 - Step 6: Final answer
x = 79,163,894.52
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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.