Finding the Fourth Proportional to 148,927,812,318, 223,390,246,328.74 and 68,230,625,756.48
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Solution
The fourth proportional to 148,927,812,318, 223,390,246,328.74 and 68,230,625,756.48 is: 102,345,264,176.43
Step by Step Solution
- Step 1: Write the proportion equation
148,927,812,318 : 223,390,246,328.74 = 68,230,625,756.48 : x - Step 2: Convert to fraction form
148,927,812,318/223,390,246,328.74 = 68,230,625,756.48/x - Step 3: Cross multiply
148,927,812,318x = 223,390,246,328.74 × 68,230,625,756.48 - Step 4: Simplify right side
148,927,812,318x = 15,242,056,294,904,138,563,584 - Step 5: Solve for x
x = 15,242,056,294,904,138,563,584/148,927,812,318 - Step 6: Final answer
x = 102,345,264,176.43
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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.