Finding the Fourth Proportional to 98,658,246.80, 147,774,793.80 and 81,652,134.80
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Solution
The fourth proportional to 98,658,246.80, 147,774,793.80 and 81,652,134.80 is: 122,302,268.43
Step by Step Solution
- Step 1: Write the proportion equation
98,658,246.80 : 147,774,793.80 = 81,652,134.80 : x - Step 2: Convert to fraction form
98,658,246.80/147,774,793.80 = 81,652,134.80/x - Step 3: Cross multiply
98,658,246.80x = 147,774,793.80 × 81,652,134.80 - Step 4: Simplify right side
98,658,246.80x = 12,066,127,383,399,804 - Step 5: Solve for x
x = 12,066,127,383,399,804/98,658,246.80 - Step 6: Final answer
x = 122,302,268.43
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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.