Finding the Fourth Proportional to 163,763,765.33, 245,730,663.45 and 66,790,617.17
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Solution
The fourth proportional to 163,763,765.33, 245,730,663.45 and 66,790,617.17 is: 100,220,599.08
Step by Step Solution
- Step 1: Write the proportion equation
163,763,765.33 : 245,730,663.45 = 66,790,617.17 : x - Step 2: Convert to fraction form
163,763,765.33/245,730,663.45 = 66,790,617.17/x - Step 3: Cross multiply
163,763,765.33x = 245,730,663.45 × 66,790,617.17 - Step 4: Simplify right side
163,763,765.33x = 16,412,502,668,190,408 - Step 5: Solve for x
x = 16,412,502,668,190,408/163,763,765.33 - Step 6: Final answer
x = 100,220,599.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.