Finding the Fourth Proportional to 207,573,522, 286,403,937.36 and 123,925,372.80
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Solution
The fourth proportional to 207,573,522, 286,403,937.36 and 123,925,372.80 is: 170,988,642.32
Step by Step Solution
- Step 1: Write the proportion equation
207,573,522 : 286,403,937.36 = 123,925,372.80 : x - Step 2: Convert to fraction form
207,573,522/286,403,937.36 = 123,925,372.80/x - Step 3: Cross multiply
207,573,522x = 286,403,937.36 × 123,925,372.80 - Step 4: Simplify right side
207,573,522x = 35,492,714,708,725,848 - Step 5: Solve for x
x = 35,492,714,708,725,848/207,573,522 - Step 6: Final answer
x = 170,988,642.32
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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.