Finding the Fourth Proportional to 106,247,072.66, 146,688,657.68 and 86,714,552.84
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Solution
The fourth proportional to 106,247,072.66, 146,688,657.68 and 86,714,552.84 is: 119,721,334.80
Step by Step Solution
- Step 1: Write the proportion equation
106,247,072.66 : 146,688,657.68 = 86,714,552.84 : x - Step 2: Convert to fraction form
106,247,072.66/146,688,657.68 = 86,714,552.84/x - Step 3: Cross multiply
106,247,072.66x = 146,688,657.68 × 86,714,552.84 - Step 4: Simplify right side
106,247,072.66x = 12,720,041,356,904,374 - Step 5: Solve for x
x = 12,720,041,356,904,374/106,247,072.66 - Step 6: Final answer
x = 119,721,334.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.