Finding the Fourth Proportional to 99,709,477.70, 149,564,216.55 and 93,662,860.10
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Solution
The fourth proportional to 99,709,477.70, 149,564,216.55 and 93,662,860.10 is: 140,494,290.15
Step by Step Solution
- Step 1: Write the proportion equation
99,709,477.70 : 149,564,216.55 = 93,662,860.10 : x - Step 2: Convert to fraction form
99,709,477.70/149,564,216.55 = 93,662,860.10/x - Step 3: Cross multiply
99,709,477.70x = 149,564,216.55 × 93,662,860.10 - Step 4: Simplify right side
99,709,477.70x = 14,008,612,290,688,754 - Step 5: Solve for x
x = 14,008,612,290,688,754/99,709,477.70 - Step 6: Final answer
x = 140,494,290.15
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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.