Finding the Fourth Proportional to 65,183,329.80, 97,774,994.70 and 19,745,124.30
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Solution
The fourth proportional to 65,183,329.80, 97,774,994.70 and 19,745,124.30 is: 29,617,686.45
Step by Step Solution
- Step 1: Write the proportion equation
65,183,329.80 : 97,774,994.70 = 19,745,124.30 : x - Step 2: Convert to fraction form
65,183,329.80/97,774,994.70 = 19,745,124.30/x - Step 3: Cross multiply
65,183,329.80x = 97,774,994.70 × 19,745,124.30 - Step 4: Simplify right side
65,183,329.80x = 1,930,579,423,783,341.25 - Step 5: Solve for x
x = 1,930,579,423,783,341.25/65,183,329.80 - Step 6: Final answer
x = 29,617,686.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.