Finding the Fourth Proportional to 99,668,047.20, 149,502,070.80 and 26,884,687.20
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Solution
The fourth proportional to 99,668,047.20, 149,502,070.80 and 26,884,687.20 is: 40,327,030.80
Step by Step Solution
- Step 1: Write the proportion equation
99,668,047.20 : 149,502,070.80 = 26,884,687.20 : x - Step 2: Convert to fraction form
99,668,047.20/149,502,070.80 = 26,884,687.20/x - Step 3: Cross multiply
99,668,047.20x = 149,502,070.80 × 26,884,687.20 - Step 4: Simplify right side
99,668,047.20x = 4,019,316,409,210,254 - Step 5: Solve for x
x = 4,019,316,409,210,254/99,668,047.20 - Step 6: Final answer
x = 40,327,030.80
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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.