Finding the Fourth Proportional to 199,395,277.80, 298,429,364.70 and 144,652,237.80
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Solution
The fourth proportional to 199,395,277.80, 298,429,364.70 and 144,652,237.80 is: 216,496,979.80
Step by Step Solution
- Step 1: Write the proportion equation
199,395,277.80 : 298,429,364.70 = 144,652,237.80 : x - Step 2: Convert to fraction form
199,395,277.80/298,429,364.70 = 144,652,237.80/x - Step 3: Cross multiply
199,395,277.80x = 298,429,364.70 × 144,652,237.80 - Step 4: Simplify right side
199,395,277.80x = 43,168,475,429,087,328 - Step 5: Solve for x
x = 43,168,475,429,087,328/199,395,277.80 - Step 6: Final answer
x = 216,496,979.80
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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.