Finding the Fourth Proportional to 117,809,539.16, 176,655,185.92 and 68,641,282.13
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Solution
The fourth proportional to 117,809,539.16, 176,655,185.92 and 68,641,282.13 is: 102,927,475.51
Step by Step Solution
- Step 1: Write the proportion equation
117,809,539.16 : 176,655,185.92 = 68,641,282.13 : x - Step 2: Convert to fraction form
117,809,539.16/176,655,185.92 = 68,641,282.13/x - Step 3: Cross multiply
117,809,539.16x = 176,655,185.92 × 68,641,282.13 - Step 4: Simplify right side
117,809,539.16x = 12,125,838,456,732,356 - Step 5: Solve for x
x = 12,125,838,456,732,356/117,809,539.16 - Step 6: Final answer
x = 102,927,475.51
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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.