Finding the Fourth Proportional to 81,841,133.24, 122,813,969.18 and 38,712,880.88
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Solution
The fourth proportional to 81,841,133.24, 122,813,969.18 and 38,712,880.88 is: 58,094,046.00
Step by Step Solution
- Step 1: Write the proportion equation
81,841,133.24 : 122,813,969.18 = 38,712,880.88 : x - Step 2: Convert to fraction form
81,841,133.24/122,813,969.18 = 38,712,880.88/x - Step 3: Cross multiply
81,841,133.24x = 122,813,969.18 × 38,712,880.88 - Step 4: Simplify right side
81,841,133.24x = 4,754,482,559,265,332 - Step 5: Solve for x
x = 4,754,482,559,265,332/81,841,133.24 - Step 6: Final answer
x = 58,094,046.00
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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.