Finding the Fourth Proportional to 372,166,228.30, 558,249,211.05 and 99,529,909.42
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Solution
The fourth proportional to 372,166,228.30, 558,249,211.05 and 99,529,909.42 is: 149,294,828.99
Step by Step Solution
- Step 1: Write the proportion equation
372,166,228.30 : 558,249,211.05 = 99,529,909.42 : x - Step 2: Convert to fraction form
372,166,228.30/558,249,211.05 = 99,529,909.42/x - Step 3: Cross multiply
372,166,228.30x = 558,249,211.05 × 99,529,909.42 - Step 4: Simplify right side
372,166,228.30x = 55,562,493,409,592,960 - Step 5: Solve for x
x = 55,562,493,409,592,960/372,166,228.30 - Step 6: Final answer
x = 149,294,828.99
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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.