Finding the Fourth Proportional to 139,105,986,628.48, 208,670,999,547.02 and 38,376,854,201.99
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Solution
The fourth proportional to 139,105,986,628.48, 208,670,999,547.02 and 38,376,854,201.99 is: 57,568,597,296.88
Step by Step Solution
- Step 1: Write the proportion equation
139,105,986,628.48 : 208,670,999,547.02 = 38,376,854,201.99 : x - Step 2: Convert to fraction form
139,105,986,628.48/208,670,999,547.02 = 38,376,854,201.99/x - Step 3: Cross multiply
139,105,986,628.48x = 208,670,999,547.02 × 38,376,854,201.99 - Step 4: Simplify right side
139,105,986,628.48x = 8,008,136,525,799,507,361,792 - Step 5: Solve for x
x = 8,008,136,525,799,507,361,792/139,105,986,628.48 - Step 6: Final answer
x = 57,568,597,296.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.