Finding the Fourth Proportional to 135,961,928,216.48, 187,628,044,256.99 and 74,163,844,603.70
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Solution
The fourth proportional to 135,961,928,216.48, 187,628,044,256.99 and 74,163,844,603.70 is: 102,346,423,738.68
Step by Step Solution
- Step 1: Write the proportion equation
135,961,928,216.48 : 187,628,044,256.99 = 74,163,844,603.70 : x - Step 2: Convert to fraction form
135,961,928,216.48/187,628,044,256.99 = 74,163,844,603.70/x - Step 3: Cross multiply
135,961,928,216.48x = 187,628,044,256.99 × 74,163,844,603.70 - Step 4: Simplify right side
135,961,928,216.48x = 13,915,217,117,571,551,592,448 - Step 5: Solve for x
x = 13,915,217,117,571,551,592,448/135,961,928,216.48 - Step 6: Final answer
x = 102,346,423,738.68
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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.