Finding the Fourth Proportional to 75,673,202.80, 104,429,018.91 and 40,865,890.17
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Solution
The fourth proportional to 75,673,202.80, 104,429,018.91 and 40,865,890.17 is: 56,394,927.92
Step by Step Solution
- Step 1: Write the proportion equation
75,673,202.80 : 104,429,018.91 = 40,865,890.17 : x - Step 2: Convert to fraction form
75,673,202.80/104,429,018.91 = 40,865,890.17/x - Step 3: Cross multiply
75,673,202.80x = 104,429,018.91 × 40,865,890.17 - Step 4: Simplify right side
75,673,202.80x = 4,267,584,817,336,913 - Step 5: Solve for x
x = 4,267,584,817,336,913/75,673,202.80 - Step 6: Final answer
x = 56,394,927.92
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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.