Finding the Fourth Proportional to 86,873,873,750.42, 130,307,263,836.42 and 30,226,702,235.54
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Solution
The fourth proportional to 86,873,873,750.42, 130,307,263,836.42 and 30,226,702,235.54 is: 45,338,819,291.37
Step by Step Solution
- Step 1: Write the proportion equation
86,873,873,750.42 : 130,307,263,836.42 = 30,226,702,235.54 : x - Step 2: Convert to fraction form
86,873,873,750.42/130,307,263,836.42 = 30,226,702,235.54/x - Step 3: Cross multiply
86,873,873,750.42x = 130,307,263,836.42 × 30,226,702,235.54 - Step 4: Simplify right side
86,873,873,750.42x = 3,938,758,863,111,416,971,264 - Step 5: Solve for x
x = 3,938,758,863,111,416,971,264/86,873,873,750.42 - Step 6: Final answer
x = 45,338,819,291.37
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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.