Finding the Fourth Proportional to 248,254,675.34, 342,578,789.88 and 136,743,115.58
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Solution
The fourth proportional to 248,254,675.34, 342,578,789.88 and 136,743,115.58 is: 188,698,525.00
Step by Step Solution
- Step 1: Write the proportion equation
248,254,675.34 : 342,578,789.88 = 136,743,115.58 : x - Step 2: Convert to fraction form
248,254,675.34/342,578,789.88 = 136,743,115.58/x - Step 3: Cross multiply
248,254,675.34x = 342,578,789.88 × 136,743,115.58 - Step 4: Simplify right side
248,254,675.34x = 46,845,291,059,817,376 - Step 5: Solve for x
x = 46,845,291,059,817,376/248,254,675.34 - Step 6: Final answer
x = 188,698,525.00
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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.