Finding the Fourth Proportional to 249,718,173.08, 344,611,816.14 and 138,216,758.31
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Solution
The fourth proportional to 249,718,173.08, 344,611,816.14 and 138,216,758.31 is: 190,739,534.55
Step by Step Solution
- Step 1: Write the proportion equation
249,718,173.08 : 344,611,816.14 = 138,216,758.31 : x - Step 2: Convert to fraction form
249,718,173.08/344,611,816.14 = 138,216,758.31/x - Step 3: Cross multiply
249,718,173.08x = 344,611,816.14 × 138,216,758.31 - Step 4: Simplify right side
249,718,173.08x = 47,631,128,102,192,536 - Step 5: Solve for x
x = 47,631,128,102,192,536/249,718,173.08 - Step 6: Final answer
x = 190,739,534.55
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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.