Finding the Fourth Proportional to 99,562,705.80, 149,176,097.10 and 48,334,417.80
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Solution
The fourth proportional to 99,562,705.80, 149,176,097.10 and 48,334,417.80 is: 72,420,086.87
Step by Step Solution
- Step 1: Write the proportion equation
99,562,705.80 : 149,176,097.10 = 48,334,417.80 : x - Step 2: Convert to fraction form
99,562,705.80/149,176,097.10 = 48,334,417.80/x - Step 3: Cross multiply
99,562,705.80x = 149,176,097.10 × 48,334,417.80 - Step 4: Simplify right side
99,562,705.80x = 7,210,339,803,004,768 - Step 5: Solve for x
x = 7,210,339,803,004,768/99,562,705.80 - Step 6: Final answer
x = 72,420,086.87
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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.