Finding the Fourth Proportional to 145,782,697.08, 201,184,320.86 and 80,596,800.12
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Solution
The fourth proportional to 145,782,697.08, 201,184,320.86 and 80,596,800.12 is: 111,225,905.55
Step by Step Solution
- Step 1: Write the proportion equation
145,782,697.08 : 201,184,320.86 = 80,596,800.12 : x - Step 2: Convert to fraction form
145,782,697.08/201,184,320.86 = 80,596,800.12/x - Step 3: Cross multiply
145,782,697.08x = 201,184,320.86 × 80,596,800.12 - Step 4: Simplify right side
145,782,697.08x = 16,214,812,495,631,368 - Step 5: Solve for x
x = 16,214,812,495,631,368/145,782,697.08 - Step 6: Final answer
x = 111,225,905.55
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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.