Finding the Fourth Proportional to 120,319,447,095.99, 166,044,818,999.08 and 66,127,916,576.99
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Solution
The fourth proportional to 120,319,447,095.99, 166,044,818,999.08 and 66,127,916,576.99 is: 91,258,713,398.61
Step by Step Solution
- Step 1: Write the proportion equation
120,319,447,095.99 : 166,044,818,999.08 = 66,127,916,576.99 : x - Step 2: Convert to fraction form
120,319,447,095.99/166,044,818,999.08 = 66,127,916,576.99/x - Step 3: Cross multiply
120,319,447,095.99x = 166,044,818,999.08 × 66,127,916,576.99 - Step 4: Simplify right side
120,319,447,095.99x = 10,980,197,938,811,736,424,448 - Step 5: Solve for x
x = 10,980,197,938,811,736,424,448/120,319,447,095.99 - Step 6: Final answer
x = 91,258,713,398.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.