Finding the Fourth Proportional to 163,772,928.19, 245,577,248.56 and 54,559,703.17
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Solution
The fourth proportional to 163,772,928.19, 245,577,248.56 and 54,559,703.17 is: 81,812,189.20
Step by Step Solution
- Step 1: Write the proportion equation
163,772,928.19 : 245,577,248.56 = 54,559,703.17 : x - Step 2: Convert to fraction form
163,772,928.19/245,577,248.56 = 54,559,703.17/x - Step 3: Cross multiply
163,772,928.19x = 245,577,248.56 × 54,559,703.17 - Step 4: Simplify right side
163,772,928.19x = 13,398,621,786,738,910 - Step 5: Solve for x
x = 13,398,621,786,738,910/163,772,928.19 - Step 6: Final answer
x = 81,812,189.20
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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.