Finding the Fourth Proportional to 96,775,892.40, 145,163,838.60 and 72,888,020.40
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Solution
The fourth proportional to 96,775,892.40, 145,163,838.60 and 72,888,020.40 is: 109,332,030.60
Step by Step Solution
- Step 1: Write the proportion equation
96,775,892.40 : 145,163,838.60 = 72,888,020.40 : x - Step 2: Convert to fraction form
96,775,892.40/145,163,838.60 = 72,888,020.40/x - Step 3: Cross multiply
96,775,892.40x = 145,163,838.60 × 72,888,020.40 - Step 4: Simplify right side
96,775,892.40x = 10,580,704,829,219,108 - Step 5: Solve for x
x = 10,580,704,829,219,108/96,775,892.40 - Step 6: Final answer
x = 109,332,030.60
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Similar ratio
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1.5x scale
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.