Finding the Fourth Proportional to 133,043,188.08, 199,564,782.14 and 42,166,777.08
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Solution
The fourth proportional to 133,043,188.08, 199,564,782.14 and 42,166,777.08 is: 63,250,165.63
Step by Step Solution
- Step 1: Write the proportion equation
133,043,188.08 : 199,564,782.14 = 42,166,777.08 : x - Step 2: Convert to fraction form
133,043,188.08/199,564,782.14 = 42,166,777.08/x - Step 3: Cross multiply
133,043,188.08x = 199,564,782.14 × 42,166,777.08 - Step 4: Simplify right side
133,043,188.08x = 8,415,003,681,516,144 - Step 5: Solve for x
x = 8,415,003,681,516,144/133,043,188.08 - Step 6: Final answer
x = 63,250,165.63
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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.