Finding the Fourth Proportional to 99,774,378.72, 148,739,295.50 and 98,201,977.68
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Solution
The fourth proportional to 99,774,378.72, 148,739,295.50 and 98,201,977.68 is: 146,395,228.56
Step by Step Solution
- Step 1: Write the proportion equation
99,774,378.72 : 148,739,295.50 = 98,201,977.68 : x - Step 2: Convert to fraction form
99,774,378.72/148,739,295.50 = 98,201,977.68/x - Step 3: Cross multiply
99,774,378.72x = 148,739,295.50 × 98,201,977.68 - Step 4: Simplify right side
99,774,378.72x = 14,606,492,976,829,926 - Step 5: Solve for x
x = 14,606,492,976,829,926/99,774,378.72 - Step 6: Final answer
x = 146,395,228.56
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.