Finding the Fourth Proportional to 99,644,497.80, 149,466,746.70 and 89,566,801.80
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Solution
The fourth proportional to 99,644,497.80, 149,466,746.70 and 89,566,801.80 is: 134,350,202.70
Step by Step Solution
- Step 1: Write the proportion equation
99,644,497.80 : 149,466,746.70 = 89,566,801.80 : x - Step 2: Convert to fraction form
99,644,497.80/149,466,746.70 = 89,566,801.80/x - Step 3: Cross multiply
99,644,497.80x = 149,466,746.70 × 89,566,801.80 - Step 4: Simplify right side
99,644,497.80x = 13,387,258,477,369,702 - Step 5: Solve for x
x = 13,387,258,477,369,702/99,644,497.80 - Step 6: Final answer
x = 134,350,202.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.