Finding the Fourth Proportional to 191,963,437.68, 288,028,109.16 and 103,228,293.96
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Solution
The fourth proportional to 191,963,437.68, 288,028,109.16 and 103,228,293.96 is: 154,887,048.70
Step by Step Solution
- Step 1: Write the proportion equation
191,963,437.68 : 288,028,109.16 = 103,228,293.96 : x - Step 2: Convert to fraction form
191,963,437.68/288,028,109.16 = 103,228,293.96/x - Step 3: Cross multiply
191,963,437.68x = 288,028,109.16 × 103,228,293.96 - Step 4: Simplify right side
191,963,437.68x = 29,732,650,321,111,448 - Step 5: Solve for x
x = 29,732,650,321,111,448/191,963,437.68 - Step 6: Final answer
x = 154,887,048.70
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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.