Finding the Fourth Proportional to 68,012,820.11, 101,869,690.84 and 56,207,395.73
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Solution
The fourth proportional to 68,012,820.11, 101,869,690.84 and 56,207,395.73 is: 84,187,510.77
Step by Step Solution
- Step 1: Write the proportion equation
68,012,820.11 : 101,869,690.84 = 56,207,395.73 : x - Step 2: Convert to fraction form
68,012,820.11/101,869,690.84 = 56,207,395.73/x - Step 3: Cross multiply
68,012,820.11x = 101,869,690.84 × 56,207,395.73 - Step 4: Simplify right side
68,012,820.11x = 5,725,830,026,050,792 - Step 5: Solve for x
x = 5,725,830,026,050,792/68,012,820.11 - Step 6: Final answer
x = 84,187,510.77
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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.