Finding the Fourth Proportional to 68,358,836,712.20, 102,456,625,730.70 and 28,564,534,632.20
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Solution
The fourth proportional to 68,358,836,712.20, 102,456,625,730.70 and 28,564,534,632.20 is: 42,812,692,180.59
Step by Step Solution
- Step 1: Write the proportion equation
68,358,836,712.20 : 102,456,625,730.70 = 28,564,534,632.20 : x - Step 2: Convert to fraction form
68,358,836,712.20/102,456,625,730.70 = 28,564,534,632.20/x - Step 3: Cross multiply
68,358,836,712.20x = 102,456,625,730.70 × 28,564,534,632.20 - Step 4: Simplify right side
68,358,836,712.20x = 2,926,625,833,982,933,598,208 - Step 5: Solve for x
x = 2,926,625,833,982,933,598,208/68,358,836,712.20 - Step 6: Final answer
x = 42,812,692,180.59
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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.