Finding the Fourth Proportional to 245,396,044,439.92, 368,130,871,754.34 and 86,191,083,089.74
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Solution
The fourth proportional to 245,396,044,439.92, 368,130,871,754.34 and 86,191,083,089.74 is: 129,299,551,782.49
Step by Step Solution
- Step 1: Write the proportion equation
245,396,044,439.92 : 368,130,871,754.34 = 86,191,083,089.74 : x - Step 2: Convert to fraction form
245,396,044,439.92/368,130,871,754.34 = 86,191,083,089.74/x - Step 3: Cross multiply
245,396,044,439.92x = 368,130,871,754.34 × 86,191,083,089.74 - Step 4: Simplify right side
245,396,044,439.92x = 31,729,598,555,276,741,443,584 - Step 5: Solve for x
x = 31,729,598,555,276,741,443,584/245,396,044,439.92 - Step 6: Final answer
x = 129,299,551,782.49
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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.