Finding the Fourth Proportional to 99,822,603.70, 149,733,905.55 and 46,074,891.70
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Solution
The fourth proportional to 99,822,603.70, 149,733,905.55 and 46,074,891.70 is: 69,112,337.55
Step by Step Solution
- Step 1: Write the proportion equation
99,822,603.70 : 149,733,905.55 = 46,074,891.70 : x - Step 2: Convert to fraction form
99,822,603.70/149,733,905.55 = 46,074,891.70/x - Step 3: Cross multiply
99,822,603.70x = 149,733,905.55 × 46,074,891.70 - Step 4: Simplify right side
99,822,603.70x = 6,898,973,482,034,280 - Step 5: Solve for x
x = 6,898,973,482,034,280/99,822,603.70 - Step 6: Final answer
x = 69,112,337.55
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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.