Finding the Fourth Proportional to 68,169,312,098.40, 102,189,470,893.20 and 40,242,000,943.20
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Solution
The fourth proportional to 68,169,312,098.40, 102,189,470,893.20 and 40,242,000,943.20 is: 60,324,927,118.72
Step by Step Solution
- Step 1: Write the proportion equation
68,169,312,098.40 : 102,189,470,893.20 = 40,242,000,943.20 : x - Step 2: Convert to fraction form
68,169,312,098.40/102,189,470,893.20 = 40,242,000,943.20/x - Step 3: Cross multiply
68,169,312,098.40x = 102,189,470,893.20 × 40,242,000,943.20 - Step 4: Simplify right side
68,169,312,098.40x = 4,112,308,784,069,262,966,784 - Step 5: Solve for x
x = 4,112,308,784,069,262,966,784/68,169,312,098.40 - Step 6: Final answer
x = 60,324,927,118.72
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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.