Finding the Fourth Proportional to 112,337,777.80, 168,506,666.70 and 99,583,193.80
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Solution
The fourth proportional to 112,337,777.80, 168,506,666.70 and 99,583,193.80 is: 149,374,790.70
Step by Step Solution
- Step 1: Write the proportion equation
112,337,777.80 : 168,506,666.70 = 99,583,193.80 : x - Step 2: Convert to fraction form
112,337,777.80/168,506,666.70 = 99,583,193.80/x - Step 3: Cross multiply
112,337,777.80x = 168,506,666.70 × 99,583,193.80 - Step 4: Simplify right side
112,337,777.80x = 16,780,432,046,578,104 - Step 5: Solve for x
x = 16,780,432,046,578,104/112,337,777.80 - Step 6: Final answer
x = 149,374,790.70
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1.5x scale
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.