Finding the Fourth Proportional to 87,778,655, 121,135,794.46 and 50,608,199.96
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Solution
The fourth proportional to 87,778,655, 121,135,794.46 and 50,608,199.96 is: 69,840,036.95
Step by Step Solution
- Step 1: Write the proportion equation
87,778,655 : 121,135,794.46 = 50,608,199.96 : x - Step 2: Convert to fraction form
87,778,655/121,135,794.46 = 50,608,199.96/x - Step 3: Cross multiply
87,778,655x = 121,135,794.46 × 50,608,199.96 - Step 4: Simplify right side
87,778,655x = 6,130,464,508,345,140 - Step 5: Solve for x
x = 6,130,464,508,345,140/87,778,655 - Step 6: Final answer
x = 69,840,036.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.