Finding the Fourth Proportional to 165,120,277.69, 247,680,460.28 and 48,535,638.49
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Solution
The fourth proportional to 165,120,277.69, 247,680,460.28 and 48,535,638.49 is: 72,803,470.59
Step by Step Solution
- Step 1: Write the proportion equation
165,120,277.69 : 247,680,460.28 = 48,535,638.49 : x - Step 2: Convert to fraction form
165,120,277.69/247,680,460.28 = 48,535,638.49/x - Step 3: Cross multiply
165,120,277.69x = 247,680,460.28 × 48,535,638.49 - Step 4: Simplify right side
165,120,277.69x = 12,021,329,281,186,884 - Step 5: Solve for x
x = 12,021,329,281,186,884/165,120,277.69 - Step 6: Final answer
x = 72,803,470.59
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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.