Finding the Fourth Proportional to 99,708,943.97, 137,621,300.93 and 58,469,122.37
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Solution
The fourth proportional to 99,708,943.97, 137,621,300.93 and 58,469,122.37 is: 80,700,851.54
Step by Step Solution
- Step 1: Write the proportion equation
99,708,943.97 : 137,621,300.93 = 58,469,122.37 : x - Step 2: Convert to fraction form
99,708,943.97/137,621,300.93 = 58,469,122.37/x - Step 3: Cross multiply
99,708,943.97x = 137,621,300.93 × 58,469,122.37 - Step 4: Simplify right side
99,708,943.97x = 8,046,596,683,814,314 - Step 5: Solve for x
x = 8,046,596,683,814,314/99,708,943.97 - Step 6: Final answer
x = 80,700,851.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.