Finding the Fourth Proportional to 64,908,643.65, 97,362,965.48 and 21,779,254.05
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Solution
The fourth proportional to 64,908,643.65, 97,362,965.48 and 21,779,254.05 is: 32,668,881.08
Step by Step Solution
- Step 1: Write the proportion equation
64,908,643.65 : 97,362,965.48 = 21,779,254.05 : x - Step 2: Convert to fraction form
64,908,643.65/97,362,965.48 = 21,779,254.05/x - Step 3: Cross multiply
64,908,643.65x = 97,362,965.48 × 21,779,254.05 - Step 4: Simplify right side
64,908,643.65x = 2,120,492,760,141,403.75 - Step 5: Solve for x
x = 2,120,492,760,141,403.75/64,908,643.65 - Step 6: Final answer
x = 32,668,881.08
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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.