Finding the Fourth Proportional to 186,395,122.46, 257,225,552.44 and 103,887,135.74
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Solution
The fourth proportional to 186,395,122.46, 257,225,552.44 and 103,887,135.74 is: 143,364,405.30
Step by Step Solution
- Step 1: Write the proportion equation
186,395,122.46 : 257,225,552.44 = 103,887,135.74 : x - Step 2: Convert to fraction form
186,395,122.46/257,225,552.44 = 103,887,135.74/x - Step 3: Cross multiply
186,395,122.46x = 257,225,552.44 × 103,887,135.74 - Step 4: Simplify right side
186,395,122.46x = 26,722,425,882,130,768 - Step 5: Solve for x
x = 26,722,425,882,130,768/186,395,122.46 - Step 6: Final answer
x = 143,364,405.30
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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.