Finding the Fourth Proportional to 71,636,830.26, 98,830,121.49 and 45,166,479.81
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Solution
The fourth proportional to 71,636,830.26, 98,830,121.49 and 45,166,479.81 is: 62,311,644.31
Step by Step Solution
- Step 1: Write the proportion equation
71,636,830.26 : 98,830,121.49 = 45,166,479.81 : x - Step 2: Convert to fraction form
71,636,830.26/98,830,121.49 = 45,166,479.81/x - Step 3: Cross multiply
71,636,830.26x = 98,830,121.49 × 45,166,479.81 - Step 4: Simplify right side
71,636,830.26x = 4,463,808,686,897,932 - Step 5: Solve for x
x = 4,463,808,686,897,932/71,636,830.26 - Step 6: Final answer
x = 62,311,644.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.