Finding the Fourth Proportional to 96,774,953.60, 145,162,430.40 and 66,118,851.20
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Solution
The fourth proportional to 96,774,953.60, 145,162,430.40 and 66,118,851.20 is: 99,178,276.80
Step by Step Solution
- Step 1: Write the proportion equation
96,774,953.60 : 145,162,430.40 = 66,118,851.20 : x - Step 2: Convert to fraction form
96,774,953.60/145,162,430.40 = 66,118,851.20/x - Step 3: Cross multiply
96,774,953.60x = 145,162,430.40 × 66,118,851.20 - Step 4: Simplify right side
96,774,953.60x = 9,597,973,135,447,958 - Step 5: Solve for x
x = 9,597,973,135,447,958/96,774,953.60 - Step 6: Final answer
x = 99,178,276.80
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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.